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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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
Study period:
06.12.2000 - 08.01.2001
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test performed according to GLP and OECD guidelines, choice of positive controls is different to guidline

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 471 (Bacterial Reverse Mutation Assay)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
4-methyloxazole-5-carboxamide
EC Number:
225-472-7
EC Name:
4-methyloxazole-5-carboxamide
Cas Number:
4866-00-6
Molecular formula:
C5H6N2O2
IUPAC Name:
4-methyl-1,3-oxazole-5-carboxamide

Method

Target gene:
TA97, TA98, TA100, TA102 and TA 1535
Species / strain
Species / strain / cell type:
bacteria, other: TA 1535, TA 97,TA 98, TA 100 und TA 102
Additional strain / cell type characteristics:
DNA polymerase A deficient
Metabolic activation:
with and without
Metabolic activation system:
S9
Test concentrations with justification for top dose:
5 mg / plate
Controls
Untreated negative controls:
yes
Negative solvent / vehicle controls:
yes
True negative controls:
yes
Positive controls:
yes
Positive control substance:
benzo(a)pyrene
Remarks:
Migrated to IUCLID6: 4-Nitro-1,2-phenylendiamin, Sodium azide

Results and discussion

Test results
Species / strain:
bacteria, other: TA 1535, TA 97,TA 98, TA 100 und TA 102
Metabolic activation:
with and without
Genotoxicity:
negative
Vehicle controls validity:
valid
Untreated negative controls validity:
valid
Positive controls validity:
valid
Remarks on result:
other: all strains/cell types tested
Remarks:
Migrated from field 'Test system'.

Any other information on results incl. tables

no other information

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative

Substance is not mutagenic
Executive summary:

-