Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
in vivo mammalian cell study: DNA damage and/or repair
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 474 (Mammalian Erythrocyte Micronucleus Test)
Qualifier:
according to guideline
Guideline:
EU Method B.12 (Mutagenicity - In Vivo Mammalian Erythrocyte Micronucleus Test)
GLP compliance:
yes
Type of assay:
mammalian erythrocyte micronucleus test

Test material

Constituent 1
Chemical structure
Reference substance name:
tert-butyl 2-{(2S,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-4-phenylbutyl}-2-[4-(pyridin-2-yl)benzyl]hydrazinecarboxylate
EC Number:
606-396-7
Cas Number:
198904-86-8
Molecular formula:
C32H42N4O5
IUPAC Name:
tert-butyl 2-{(2S,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-4-phenylbutyl}-2-[4-(pyridin-2-yl)benzyl]hydrazinecarboxylate
Test material form:
solid
Details on test material:
- Appearance: Off-white powder
- Storage condition of test material: At room temperature protected from light

Test animals

Species:
rat
Sex:
male

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
propylene glycol
Details on exposure:
Male rats were dosed at 2000, 600, and 200 mg/kg/day once per day on three consecutive days via oral gavage at a volume of 10 mL/kg. Forty eight hours after a second dose was adminstrated
Duration of treatment / exposure:
48hrs
Doses / concentrationsopen allclose all
Dose / conc.:
200 mg/kg bw/day (nominal)
Dose / conc.:
600 mg/kg bw/day (nominal)
Dose / conc.:
2 000 mg/kg bw/day (nominal)
Control animals:
yes, concurrent vehicle
other: Positive Control

Results and discussion

Test results
Key result
Sex:
male
Genotoxicity:
negative
Toxicity:
no effects
Vehicle controls validity:
valid
Negative controls validity:
not examined
Positive controls validity:
valid

Applicant's summary and conclusion

Conclusions:
The test article BMS-233101-01 was evaluated as negative under the conditions of this study.