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EC number: 260-555-1 | CAS number: 57082-24-3
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- Ecotoxicological Summary
- Aquatic toxicity
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- Short-term toxicity to fish
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Endpoint summary
Administrative data
Key value for chemical safety assessment
Genetic toxicity in vitro
Description of key information
Prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, gene mutation was predicted for [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3). The study assumed the use of Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 with and without S9 metabolic activation system. [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence and absence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro. Based on the predicted result it can be concluded that the substance is considered to not toxic as per the criteria mentioned in CLP regulation.
Link to relevant study records
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
- Justification for type of information:
- Data is from OECD QSAR Toolbox version 3.3 and the supporting QMRF report has been attached.
- Qualifier:
- according to guideline
- Guideline:
- other: As mention below
- Principles of method if other than guideline:
- Prediction is done using OECD QSAR Toolbox version 3.3, 2018
- GLP compliance:
- not specified
- Type of assay:
- bacterial reverse mutation assay
- Specific details on test material used for the study:
- - Name of test material : [1R-(1α, 2α, 5β, 8β)]-4, 4, 8-trimethyltricyclo [6.3.1.02, 5] dodecan-1-yl acetate
- Molecular formula : C17H28O2
- Molecular weight : 264.4062 g/mol
- Smiles notation : CC(=O)O[C@@]12CCC[C@@](C)(CC[C@@H] 3[C@@H]1CC3(C)C)C2
- InChl : 1S/C17H28O2/c1-12(18)19-17-8-5-7-16(4,11-17)9-6-13-14(17)10-15(13,2)3/h13-14H,5-11H2,1-4H3/t13-,14+,16+,17-/m1/s1
- Substance type: Organic
- Physical state: Liquid - Target gene:
- Histidine
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and TA 102
- Details on mammalian cell type (if applicable):
- Not applicable
- Additional strain / cell type characteristics:
- not specified
- Cytokinesis block (if used):
- not specified
- Metabolic activation:
- with
- Metabolic activation system:
- S9 metabolic activation
- Test concentrations with justification for top dose:
- not specified
- Vehicle / solvent:
- not specified
- Untreated negative controls:
- not specified
- Negative solvent / vehicle controls:
- not specified
- True negative controls:
- not specified
- Positive controls:
- not specified
- Details on test system and experimental conditions:
- not specified
- Rationale for test conditions:
- not specified
- Evaluation criteria:
- Prediction was done considering a dose dependent increase in the number of revertants/plate.
- Statistics:
- not specified
- Species / strain:
- S. typhimurium, other: TA 1535, TA 1537, TA 98, TA 100 and TA 102
- Metabolic activation:
- with
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- not specified
- Vehicle controls validity:
- not specified
- Untreated negative controls validity:
- not specified
- Positive controls validity:
- not specified
- Remarks on result:
- other: No mutagenic effect were observed
- Conclusions:
- [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3)was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro.
- Executive summary:
Based on the prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, gene mutation was predicted for [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3). The study assumed the use of Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 with S9 metabolic activation system. [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro. Based on the predicted result it can be concluded that the substance is considered to not toxic as per the criteria mentioned in CLP regulation.
Reference
The prediction was based on dataset comprised from the following descriptors: "Gene mutation"
Estimation method: Takes highest mode value from the 5 nearest neighbours
Domain logical expression:Result: In Domain
((((((((("a" or "b" or "c" or "d" or "e" ) and ("f" and ( not "g") ) ) and ("h" and ( not "i") ) ) and ("j" and ( not "k") ) ) and ("l" and ( not "m") ) ) and "n" ) and ("o" and ( not "p") ) ) and "q" ) and ("r" and "s" ) )
Domain logical expression index: "a"
Referential boundary: The target chemical should be classified as Esters (Chronic toxicity) by US-EPA New Chemical Categories
Domain logical expression index: "b"
Referential boundary: The target chemical should be classified as AN2 AND AN2 >> Shiff base formation after aldehyde release AND AN2 >> Shiff base formation after aldehyde release >> Specific Acetate Esters AND SN1 AND SN1 >> Nucleophilic attack after carbenium ion formation AND SN1 >> Nucleophilic attack after carbenium ion formation >> Specific Acetate Esters AND SN2 AND SN2 >> Acylation AND SN2 >> Acylation >> Specific Acetate Esters AND SN2 >> Nucleophilic substitution at sp3 Carbon atom AND SN2 >> Nucleophilic substitution at sp3 Carbon atom >> Specific Acetate Esters by DNA binding by OASIS v.1.3
Domain logical expression index: "c"
Referential boundary: The target chemical should be classified as Acylation AND Acylation >> Direct Acylation Involving a Leaving group AND Acylation >> Direct Acylation Involving a Leaving group >> Acetates by Protein binding by OECD
Domain logical expression index: "d"
Referential boundary: The target chemical should be classified as Esters by Acute aquatic toxicity MOA by OASIS
Domain logical expression index: "e"
Referential boundary: The target chemical should be classified as Esters by Aquatic toxicity classification by ECOSAR
Domain logical expression index: "f"
Referential boundary: The target chemical should be classified as AN2 AND AN2 >> Shiff base formation after aldehyde release AND AN2 >> Shiff base formation after aldehyde release >> Specific Acetate Esters AND SN1 AND SN1 >> Nucleophilic attack after carbenium ion formation AND SN1 >> Nucleophilic attack after carbenium ion formation >> Specific Acetate Esters AND SN2 AND SN2 >> Acylation AND SN2 >> Acylation >> Specific Acetate Esters AND SN2 >> Nucleophilic substitution at sp3 Carbon atom AND SN2 >> Nucleophilic substitution at sp3 Carbon atom >> Specific Acetate Esters by DNA binding by OASIS v.1.3
Domain logical expression index: "g"
Referential boundary: The target chemical should be classified as AN2 >> Michael-type addition, quinoid structures OR AN2 >> Michael-type addition, quinoid structures >> Flavonoids OR AN2 >> Michael-type addition, quinoid structures >> Quinoneimines OR AN2 >> Michael-type addition, quinoid structures >> Quinones OR AN2 >> Carbamoylation after isocyanate formation OR AN2 >> Carbamoylation after isocyanate formation >> N-Hydroxylamines OR AN2 >> Michael-type addition on alpha, beta-unsaturated carbonyl compounds OR AN2 >> Michael-type addition on alpha, beta-unsaturated carbonyl compounds >> Four- and Five-Membered Lactones OR AN2 >> Nucleophilic addition to alpha, beta-unsaturated carbonyl compounds OR AN2 >> Nucleophilic addition to alpha, beta-unsaturated carbonyl compounds >> alpha, beta-Unsaturated Aldehydes OR AN2 >> Schiff base formation OR AN2 >> Schiff base formation >> alpha, beta-Unsaturated Aldehydes OR AN2 >> Schiff base formation >> Dicarbonyl compounds OR AN2 >> Schiff base formation >> Halofuranones OR AN2 >> Schiff base formation >> Polarized Haloalkene Derivatives OR AN2 >> Schiff base formation by aldehyde formed after metabolic activation OR AN2 >> Schiff base formation by aldehyde formed after metabolic activation >> Geminal Polyhaloalkane Derivatives OR AN2 >> Shiff base formation for aldehydes OR AN2 >> Shiff base formation for aldehydes >> Geminal Polyhaloalkane Derivatives OR AN2 >> Shiff base formation for aldehydes >> Haloalkane Derivatives with Labile Halogen OR AN2 >> Thioacylation via nucleophilic addition after cysteine-mediated thioketene formation OR AN2 >> Thioacylation via nucleophilic addition after cysteine-mediated thioketene formation >> Haloalkenes with Electron-Withdrawing Groups OR AN2 >> Thioacylation via nucleophilic addition after cysteine-mediated thioketene formation >> Polarized Haloalkene Derivatives OR Michael addition OR Michael addition >> Quinone type compounds OR Michael addition >> Quinone type compounds >> Quinone methides OR No alert found OR Non-covalent interaction OR Non-covalent interaction >> DNA intercalation OR Non-covalent interaction >> DNA intercalation >> Acridone, Thioxanthone, Xanthone and Phenazine Derivatives OR Non-covalent interaction >> DNA intercalation >> Aminoacridine DNA Intercalators OR Non-covalent interaction >> DNA intercalation >> Coumarins OR Non-covalent interaction >> DNA intercalation >> DNA Intercalators with Carboxamide Side Chain OR Non-covalent interaction >> DNA intercalation >> Fused-Ring Nitroaromatics OR Non-covalent interaction >> DNA intercalation >> Fused-Ring Primary Aromatic Amines OR Non-covalent interaction >> DNA intercalation >> Quinones OR Non-specific OR Non-specific >> Incorporation into DNA/RNA, due to structural analogy with nucleoside bases OR Non-specific >> Incorporation into DNA/RNA, due to structural analogy with nucleoside bases >> Specific Imine and Thione Derivatives OR Radical OR Radical >> Generation of reactive oxygen species OR Radical >> Generation of reactive oxygen species >> Thiols OR Radical >> Generation of ROS by glutathione depletion (indirect) OR Radical >> Generation of ROS by glutathione depletion (indirect) >> Haloalkanes Containing Heteroatom OR Radical >> Radical mechanism by ROS formation OR Radical >> Radical mechanism by ROS formation (indirect) or direct radical attack on DNA OR Radical >> Radical mechanism by ROS formation (indirect) or direct radical attack on DNA >> Organic Peroxy Compounds OR Radical >> Radical mechanism by ROS formation >> Acridone, Thioxanthone, Xanthone and Phenazine Derivatives OR Radical >> Radical mechanism by ROS formation >> Polynitroarenes OR Radical >> Radical mechanism via ROS formation (indirect) OR Radical >> Radical mechanism via ROS formation (indirect) >> C-Nitroso Compounds OR Radical >> Radical mechanism via ROS formation (indirect) >> Conjugated Nitro Compounds OR Radical >> Radical mechanism via ROS formation (indirect) >> Coumarins OR Radical >> Radical mechanism via ROS formation (indirect) >> Flavonoids OR Radical >> Radical mechanism via ROS formation (indirect) >> Fused-Ring Nitroaromatics OR Radical >> Radical mechanism via ROS formation (indirect) >> Fused-Ring Primary Aromatic Amines OR Radical >> Radical mechanism via ROS formation (indirect) >> Geminal Polyhaloalkane Derivatives OR Radical >> Radical mechanism via ROS formation (indirect) >> Hydrazine Derivatives OR Radical >> Radical mechanism via ROS formation (indirect) >> N-Hydroxylamines OR Radical >> Radical mechanism via ROS formation (indirect) >> Nitro Azoarenes OR Radical >> Radical mechanism via ROS formation (indirect) >> Nitroaniline Derivatives OR Radical >> Radical mechanism via ROS formation (indirect) >> Nitroarenes with Other Active Groups OR Radical >> Radical mechanism via ROS formation (indirect) >> Nitrophenols, Nitrophenyl Ethers and Nitrobenzoic Acids OR Radical >> Radical mechanism via ROS formation (indirect) >> p-Aminobiphenyl Analogs OR Radical >> Radical mechanism via ROS formation (indirect) >> p-Substituted Mononitrobenzenes OR Radical >> Radical mechanism via ROS formation (indirect) >> Quinones OR Radical >> Radical mechanism via ROS formation (indirect) >> Single-Ring Substituted Primary Aromatic Amines OR Radical >> Radical mechanism via ROS formation (indirect) >> Specific Imine and Thione Derivatives OR Radical >> ROS formation after GSH depletion OR Radical >> ROS formation after GSH depletion (indirect) OR Radical >> ROS formation after GSH depletion (indirect) >> Quinoneimines OR Radical >> ROS formation after GSH depletion >> Quinone methides OR SN1 >> Alkylation after metabolically formed carbenium ion species OR SN1 >> Alkylation after metabolically formed carbenium ion species >> Polycyclic Aromatic Hydrocarbon Derivatives OR SN1 >> Carbenium ion formation OR SN1 >> Carbenium ion formation >> Alpha-Haloethers OR SN1 >> DNA bases alkylation by carbenium ion formed OR SN1 >> DNA bases alkylation by carbenium ion formed >> Diazoalkanes OR SN1 >> Nucleophilic attack after carbenium ion formation >> N-Nitroso Compounds OR SN1 >> Nucleophilic attack after carbenium ion formation >> Pyrrolizidine Derivatives OR SN1 >> Nucleophilic attack after diazonium or carbenium ion formation OR SN1 >> Nucleophilic attack after diazonium or carbenium ion formation >> Nitroarenes with Other Active Groups OR SN1 >> Nucleophilic attack after metabolic nitrenium ion formation OR SN1 >> Nucleophilic attack after metabolic nitrenium ion formation >> Fused-Ring Primary Aromatic Amines OR SN1 >> Nucleophilic attack after metabolic nitrenium ion formation >> N-Hydroxylamines OR SN1 >> Nucleophilic attack after metabolic nitrenium ion formation >> p-Aminobiphenyl Analogs OR SN1 >> Nucleophilic attack after metabolic nitrenium ion formation >> Single-Ring Substituted Primary Aromatic Amines OR SN1 >> Nucleophilic attack after nitrenium and/or carbenium ion formation OR SN1 >> Nucleophilic attack after nitrenium and/or carbenium ion formation >> N-Nitroso Compounds OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Conjugated Nitro Compounds OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Fused-Ring Nitroaromatics OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Nitro Azoarenes OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Nitroaniline Derivatives OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Nitroarenes with Other Active Groups OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Nitrobiphenyls and Bridged Nitrobiphenyls OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Nitrophenols, Nitrophenyl Ethers and Nitrobenzoic Acids OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> Polynitroarenes OR SN1 >> Nucleophilic attack after reduction and nitrenium ion formation >> p-Substituted Mononitrobenzenes OR SN1 >> Nucleophilic substitution after glutathione-induced nitrenium ion formation OR SN1 >> Nucleophilic substitution after glutathione-induced nitrenium ion formation >> C-Nitroso Compounds OR SN1 >> Nucleophilic substitution on diazonium ions OR SN1 >> Nucleophilic substitution on diazonium ions >> Specific Imine and Thione Derivatives OR SN1 >> SN1 reaction at nitrogen-atom bound to a good leaving group or on nitrenium ion OR SN1 >> SN1 reaction at nitrogen-atom bound to a good leaving group or on nitrenium ion >> N-Acyloxy(Alkoxy) Arenamides OR SN1 >> SN1 reaction at nitrogen-atom bound to a good leaving group or on nitrenium ion >> N-Aryl-N-Acetoxy(Benzoyloxy) Acetamides OR SN2 >> Acylation involving a leaving group OR SN2 >> Acylation involving a leaving group >> Geminal Polyhaloalkane Derivatives OR SN2 >> Acylation involving a leaving group >> Haloalkane Derivatives with Labile Halogen OR SN2 >> Acylation involving a leaving group after metabolic activation OR SN2 >> Acylation involving a leaving group after metabolic activation >> Geminal Polyhaloalkane Derivatives OR SN2 >> Alkylation, direct acting epoxides and related OR SN2 >> Alkylation, direct acting epoxides and related >> Epoxides and Aziridines OR SN2 >> Alkylation, direct acting epoxides and related after cyclization OR SN2 >> Alkylation, direct acting epoxides and related after cyclization >> Nitrogen Mustards OR SN2 >> Alkylation, direct acting epoxides and related after P450-mediated metabolic activation OR SN2 >> Alkylation, direct acting epoxides and related after P450-mediated metabolic activation >> Haloalkenes with Electron-Withdrawing Groups OR SN2 >> Alkylation, direct acting epoxides and related after P450-mediated metabolic activation >> Polycyclic Aromatic Hydrocarbon Derivatives OR SN2 >> Alkylation, nucleophilic substitution at sp3-carbon atom OR SN2 >> Alkylation, nucleophilic substitution at sp3-carbon atom >> Haloalkane Derivatives with Labile Halogen OR SN2 >> Alkylation, nucleophilic substitution at sp3-carbon atom >> Sulfonates and Sulfates OR SN2 >> Alkylation, ring opening SN2 reaction OR SN2 >> Alkylation, ring opening SN2 reaction >> Four- and Five-Membered Lactones OR SN2 >> Direct acting epoxides formed after metabolic activation OR SN2 >> Direct acting epoxides formed after metabolic activation >> Coumarins OR SN2 >> Direct acting epoxides formed after metabolic activation >> Quinoline Derivatives OR SN2 >> DNA alkylation OR SN2 >> DNA alkylation >> Alkylphosphates, Alkylthiophosphates and Alkylphosphonates OR SN2 >> DNA alkylation >> Vicinal Dihaloalkanes OR SN2 >> Internal SN2 reaction with aziridinium and/or cyclic sulfonium ion formation (enzymatic) OR SN2 >> Internal SN2 reaction with aziridinium and/or cyclic sulfonium ion formation (enzymatic) >> Vicinal Dihaloalkanes OR SN2 >> Nucleophilic substitution at sp3 Carbon atom >> Haloalkanes Containing Heteroatom OR SN2 >> Nucleophilic substitution at sp3 Carbon atom >> Halofuranones OR SN2 >> Nucleophilic substitution at sp3 carbon atom after thiol (glutathione) conjugation OR SN2 >> Nucleophilic substitution at sp3 carbon atom after thiol (glutathione) conjugation >> Geminal Polyhaloalkane Derivatives OR SN2 >> Ring opening SN2 reaction OR SN2 >> Ring opening SN2 reaction >> Sultones OR SN2 >> SN2 at an activated carbon atom OR SN2 >> SN2 at an activated carbon atom >> Quinoline Derivatives OR SN2 >> SN2 at Nitrogen Atom OR SN2 >> SN2 at Nitrogen Atom >> N-acetoxyamines OR SN2 >> SN2 at sp3 and activated sp2 carbon atom OR SN2 >> SN2 at sp3 and activated sp2 carbon atom >> Polarized Haloalkene Derivatives OR SN2 >> SN2 at sp3-carbon atom OR SN2 >> SN2 at sp3-carbon atom >> Alpha-Haloethers OR SN2 >> SN2 at sulfur atom OR SN2 >> SN2 at sulfur atom >> Sulfonyl Halides OR SN2 >> SN2 attack on activated carbon Csp3 or Csp2 OR SN2 >> SN2 attack on activated carbon Csp3 or Csp2 >> Nitroarenes with Other Active Groups OR SN2 >> SN2 reaction at nitrogen-atom bound to a good leaving group OR SN2 >> SN2 reaction at nitrogen-atom bound to a good leaving group >> N-Acetoxyamines OR SN2 >> SN2 reaction at nitrogen-atom bound to a good leaving group or nitrenium ion OR SN2 >> SN2 reaction at nitrogen-atom bound to a good leaving group or nitrenium ion >> N-Acyloxy(Alkoxy) Arenamides OR SN2 >> SN2 reaction at nitrogen-atom bound to a good leaving group or nitrenium ion >> N-Aryl-N-Acetoxy(Benzoyloxy) Acetamides by DNA binding by OASIS v.1.3
Domain logical expression index: "h"
Referential boundary: The target chemical should be classified as No alert found by DNA binding by OECD
Domain logical expression index: "i"
Referential boundary: The target chemical should be classified as Michael addition OR Michael addition >> P450 Mediated Activation of Heterocyclic Ring Systems OR Michael addition >> P450 Mediated Activation of Heterocyclic Ring Systems >> Furans OR Michael addition >> P450 Mediated Activation to Quinones and Quinone-type Chemicals OR Michael addition >> P450 Mediated Activation to Quinones and Quinone-type Chemicals >> Alkyl phenols OR Michael addition >> P450 Mediated Activation to Quinones and Quinone-type Chemicals >> Arenes OR Michael addition >> P450 Mediated Activation to Quinones and Quinone-type Chemicals >> Hydroquinones OR Michael addition >> P450 Mediated Activation to Quinones and Quinone-type Chemicals >> Methylenedioxyphenyl OR Michael addition >> P450 Mediated Activation to Quinones and Quinone-type Chemicals >> Polycyclic (PAHs) and heterocyclic (HACs) aromatic hydrocarbons-Michael addition OR Michael addition >> Polarised Alkenes-Michael addition OR Michael addition >> Polarised Alkenes-Michael addition >> Alpha, beta- unsaturated aldehydes OR Schiff base formers OR Schiff base formers >> Direct Acting Schiff Base Formers OR Schiff base formers >> Direct Acting Schiff Base Formers >> Mono aldehydes OR SN1 OR SN1 >> Carbenium Ion Formation OR SN1 >> Carbenium Ion Formation >> Allyl benzenes OR SN1 >> Iminium Ion Formation OR SN1 >> Iminium Ion Formation >> Aliphatic tertiary amines OR SN1 >> Nitrenium Ion formation OR SN1 >> Nitrenium Ion formation >> Aromatic azo OR SN1 >> Nitrenium Ion formation >> Secondary aromatic amine by DNA binding by OECD
Domain logical expression index: "j"
Referential boundary: The target chemical should be classified as Non binder, without OH or NH2 group by Estrogen Receptor Binding
Domain logical expression index: "k"
Referential boundary: The target chemical should be classified as Non binder, MW>500 by Estrogen Receptor Binding
Domain logical expression index: "l"
Referential boundary: The target chemical should be classified as No alert found by Protein binding by OASIS v1.3
Domain logical expression index: "m"
Referential boundary: The target chemical should be classified as Acylation OR Acylation >> Direct acylation involving a leaving group OR Acylation >> Direct acylation involving a leaving group >> Anhydrides (sulphur analogues of anhydrides) OR Acylation >> Ester aminolysis OR Acylation >> Ester aminolysis >> Amides OR Acylation >> Ester aminolysis or thiolysis OR Acylation >> Ester aminolysis or thiolysis >> Activated aryl esters OR Michael Addition OR Michael Addition >> Michael addition on conjugated systems with electron withdrawing group OR Michael Addition >> Michael addition on conjugated systems with electron withdrawing group >> alpha,beta-Carbonyl compounds with polarized double bonds OR Michael Addition >> Michael addition on conjugated systems with electron withdrawing group >> Conjugated systems with electron withdrawing groups OR Nucleophilic addition OR Nucleophilic addition >> Addition to carbon-hetero double bonds OR Nucleophilic addition >> Addition to carbon-hetero double bonds >> Ketones OR Schiff base formation OR Schiff base formation >> Schiff base formation with carbonyl compounds OR Schiff base formation >> Schiff base formation with carbonyl compounds >> Aldehydes OR SN2 OR SN2 >> SN2 Reaction at a sp3 carbon atom OR SN2 >> SN2 Reaction at a sp3 carbon atom >> Activated alkyl esters and thioesters by Protein binding by OASIS v1.3
Domain logical expression index: "n"
Referential boundary: The target chemical should be classified as No superfragment by Superfragments ONLY
Domain logical expression index: "o"
Referential boundary: The target chemical should be classified as Not known precedent reproductive and developmental toxic potential by DART scheme v.1.0
Domain logical expression index: "p"
Referential boundary: The target chemical should be classified as Di-substituted hydrocarbons (24a) OR Di-substituted hydrocarbons (24b) OR Known precedent reproductive and developmental toxic potential by DART scheme v.1.0
Domain logical expression index: "q"
Referential boundary: The target chemical should be classified as Not bioavailable by Lipinski Rule Oasis ONLY
Domain logical expression index: "r"
Parametric boundary:The target chemical should have a value of log Kow which is >= 5.35
Domain logical expression index: "s"
Parametric boundary:The target chemical should have a value of log Kow which is <= 9.74
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (negative)
Genetic toxicity in vivo
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Genetic mutation in vitro;
Prediction model based estimation and data from read across chemical have been reviewed to determine the mutagenic nature of [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3).The studies are as mentioned below
Based on the prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, gene mutation was predicted for [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3). The study assumed the use of Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 with and without S9 metabolic activation system. [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate was predicted to not induce gene mutation in Salmonella typhimurium strains TA 1535, TA 1537, TA 98, TA 100 and TA 102 in the presence and absence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro. Based on the predicted result it can be concluded that the substance is considered to not toxic as per the criteria mentioned in CLP regulation.
Based on the prediction done using the OECD QSAR toolbox version 3.3 with log kow as the primary descriptor and considering the five closest read across substances, chromosomal aberration was predicted for [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3) .The study assumed the use of Chinese hamster ovary (CHO) cell line with and without S9 metabolic activation system for [1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate was predicted to not induce chromosomal aberrations in Chinese hamster ovary (CHO) cell line in the presence and absence of S9 metabolic activation system and hence, according to the prediction made, it is not likely to classify as a gene mutant in vitro. Based on the predicted result it can be concluded that the substance is considered to not toxic as per the criteria mentioned in CLP regulation.
In a study for structurally and functionally similar read across chemical, Gene mutation toxicity study was performed by M. Ishidate Jr et al.( Food and Chemical Toxicology,1984) to determine the mutagenic nature of Methyl acetyl ricinoleate; IUPAC ;methyl 12-acetoxyoctadec-9-enoate (140-03-4). The read across substances share high similarity in structure and log kow .Therefore, it is acceptable to derive information on mutation from the analogue substance. Gene mutation toxicity study was performed to determine the mutagenic nature of Methyl acetyl ricinoleate. The study was performed using S. typhimurium strains TA92, TA1535, TA100, TA1537, TA94 and TA98 with and without S9 metabolic activation system. The test was performed as per the preincbation assay at six different concentrations with 10mg/plate being the maximum concentration. Preincubation was performed for 20 mins and the exposure duration was for 48 hrs. The result was considered positive if the number of colonies found was twice the number in the control (exposed to the appropriate solvent or untreated). Methyl acetyl ricinoleate failed to induce a doubling of revertant colonies over the control using S. typhimurium strains TA92, TA1535, TA100, TA1537, TA94 and TA98 in the presence and absence of S9 metabolic activation system and hence is not likely to classify as a gene mutant in vitro.
Based on the data available for the target chemical and its read across substance and applying weight of evidence of[1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3). Hence the test chemical is not likely to classify as a gene mutant in vitro.
Justification for classification or non-classification
Thus based on the above annotation and CLP criteria for the target chemical ,[1R-(1α,2α,5β,8β)]-4,4,8-trimethyltricyclo[6.3.1.02,5]dodecan-1-yl acetate (57082-24-3). The test chemical is not likely to classify as a gene mutant in vitro.
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