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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Genetic toxicity: in vitro

Currently viewing:

Administrative data

Endpoint:
in vitro gene mutation study in bacteria
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification

Data source

Reference
Reference Type:
other: (Q)SAR Prediction
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
QSAR

Test material

Constituent 1
Chemical structure
Reference substance name:
(5´R,8´S,10´R,13´S,14´S)-13´-methyl-1´,2´,6´,7´8´,12´,13´,14´,15´,16´-decahydro-17´H-spiro[1,3-dioxolane-2,3´-[5,10]epoxycyclopenta[a]phenantren]-17´-one
EC Number:
821-898-8
Cas Number:
39931-87-8
Molecular formula:
C20H26O4
IUPAC Name:
(5´R,8´S,10´R,13´S,14´S)-13´-methyl-1´,2´,6´,7´8´,12´,13´,14´,15´,16´-decahydro-17´H-spiro[1,3-dioxolane-2,3´-[5,10]epoxycyclopenta[a]phenantren]-17´-one
Test material form:
solid: particulate/powder

Results and discussion

Test resultsopen allclose all
Key result
Species / strain:
E. coli WP2 uvr A
Metabolic activation:
without
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
Species / strain:
E. coli, other: S9
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
Species / strain:
E. coli WP2 uvr A
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:
mutagenic potential (based on QSAR/QSPR prediction)

Applicant's summary and conclusion

Conclusions:
Ketoketal-epoxide is not mutagen