Registration Dossier
Registration Dossier
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EC number: 400-600-6 | CAS number: 71868-10-5
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Remarks:
- Type of genotoxicity: gene mutation
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: guidance test and GLP
Data source
Reference
- Reference Type:
- other: body responsible for the test
- Title:
- Unnamed
- Year:
- 1 988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Ames, B.N. 1973, 1975 et.al
- GLP compliance:
- yes
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
- EC Number:
- 400-600-6
- EC Name:
- 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
- Cas Number:
- 71868-10-5
- Molecular formula:
- C15H21NO2S
- IUPAC Name:
- 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
Constituent 1
Method
Species / strain
- Species / strain / cell type:
- bacteria, other: Salmonella typhimurium TA 98, TA 100, TA 1535, TA 1537
- Metabolic activation system:
- Rat liver microsomal fraction (89 mix)
- Test concentrations with justification for top dose:
- Concentration range in the main test (with metabolic activation): 20 ... 5120 μg/plate
Concentration range in the main test (without metabolic activation): 20 ... 5120 μg/plate - Vehicle / solvent:
- Solvent: Acetone
- Details on test system and experimental conditions:
- Concentration of the test substance resulting in precipitation: 4000 μg/plate
Results and discussion
Test resultsopen allclose all
- Species / strain:
- other: as specified above
- Metabolic activation:
- with
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Remarks:
- (> 1280 μg/plate)
- Species / strain:
- other: as specified above
- Metabolic activation:
- without
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Remarks:
- (> 1280 μg/plate)
- Additional information on results:
- Observations:
In experiments with 5-9 activation with strain TA 100 at the concentration 312 microgram/plate a slight increase of back-mutants was observed. - Remarks on result:
- other: other: main test
- Remarks:
- Migrated from field 'Test system'.
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information):
negative with metabolic activation
negative without metabolic activation
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