Registration Dossier
Registration Dossier
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EC number: 407-830-6 | CAS number: 103335-54-2 DELTA-5-AZA-ACID
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Closed bottle test according to OECD Guideline No. 301D and Directive 84/449/EEC, Annex V, Method C6.
- GLP compliance:
- yes
Test material
- Reference substance name:
- 3-oxo-4-azaandrost-5-ene-17β-carboxylic acid
- EC Number:
- 407-830-6
- EC Name:
- 3-oxo-4-azaandrost-5-ene-17β-carboxylic acid
- Cas Number:
- 103335-54-2
- Molecular formula:
- Hill formula: C19H27NO3 CAS formula: C19H27NO3
- IUPAC Name:
- 4a,6a-dimethyl-2-oxo-1H,2H,3H,4H,4aH,4bH,5H,6H,6aH,7H,8H,9H,9aH,9bH,10H-indeno[5,4-f]quinoline-7-carboxylic acid
- Details on test material:
- Other names: L637,123
Constituent 1
Study design
Reference substance
- Reference substance:
- other: Sodium benzoate
Results and discussion
% Degradation
- Parameter:
- other: BOD5/COD
- Value:
- 42
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance): 8 % degradation after 5 d 8 % degradation after 15 d 42 % degradation after 28 d
BOD5 / COD results
BOD5 / CODopen allclose all
- Parameter:
- BOD5
- Value:
- 0.2 other: g/g
- Parameter:
- COD
- Value:
- 2.57 other: g/g
- Parameter:
- BOD5*100/COD
- Value:
- 0.078
- Results with reference substance:
- Points of degradation plot (reference substance):
68 % degradation after 5 d
71 % degradation after 15 d
89 % degradation after 28 d
Applicant's summary and conclusion
- Interpretation of results:
- other: not readily biodegradable
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