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Registration Dossier
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EC number: 819-558-9 | CAS number: 2020359-04-8
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- GLP compliance:
- yes (incl. QA statement)
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- 1-(9,9-dibutyl-9H-fluoren-2-yl)-2-methyl-2-(morpholin-4-yl)propan-1-one
- EC Number:
- 819-558-9
- Cas Number:
- 2020359-04-8
- Molecular formula:
- C29H39NO2
- IUPAC Name:
- 1-(9,9-dibutyl-9H-fluoren-2-yl)-2-methyl-2-(morpholin-4-yl)propan-1-one
- Test material form:
- solid: particulate/powder
- Details on test material:
- a off-white powdery solid, without irritating odor
Constituent 1
Method
Species / strainopen allclose all
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
- Species / strain / cell type:
- E. coli WP2 uvr A pKM 101
- Metabolic activation:
- with and without
- Metabolic activation system:
- S9 mix
- Test concentrations with justification for top dose:
- 61.73 μg/plate. 185.16 μg/plate, 555.56 μg/plate, 1666.67 μg/plate, 5000 μg/plate
- Vehicle / solvent:
- ddH2O was used as solvent to dissolve the test substance.
Controls
- Untreated negative controls:
- yes
- Remarks:
- ddH2O and DMSO were used
- Positive controls:
- yes
- Positive control substance:
- 9-aminoacridine
- 2-nitrofluorene
- sodium azide
- other: 2-aminoantracene, N-Methyl-N'-nitro-N-nitrosoguanidine
Results and discussion
Test resultsopen allclose all
- Species / strain:
- S. typhimurium TA 98
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Species / strain:
- S. typhimurium TA 100
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Species / strain:
- S. typhimurium TA 1535
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Species / strain:
- S. typhimurium TA 1537
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Species / strain:
- E. coli WP2 uvr A pKM 101
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
Applicant's summary and conclusion
- Conclusions:
- ln conclusion, the test article, TR-NPI-20400, did not exhibit any indication of mutagenic potential under the conditions of this study.
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