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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
respiratory sensitisation: in vivo
Type of information:
other: Case reports from workers.
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Case reports, having only the abstracts.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Asthma in workers manufacturing cephalosporins
Author:
Coutts et al.
Year:
1981
Bibliographic source:
Br. Med. J.; VOL 283 ISS Oct 10 1981, P950, (REF 4)
Reference Type:
publication
Title:
Bronchial asthma due to 7-aminocephalosporanic acid in workers employed in cephalosporine production
Author:
Briatico-Vangosa G et al.
Year:
1981
Bibliographic source:
Medicina del lavoro Nov.-Dec. 1981, Vol.72, No.6, p.488-493
Reference Type:
publication
Title:
Occupational asthma caused by cefmetazole and 7-aminocephalosporanic acid: description of a clinical case
Author:
Fracchia G et al.
Year:
1996
Bibliographic source:
G Ital Med Lav. 1996 Jan-May; 13-5. [G italiano dliano di medicina del l del lavoro]

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Reporting of cases.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
3-acetoxymethylen-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
EC Number:
213-485-0
EC Name:
3-acetoxymethylen-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cas Number:
957-68-6
Molecular formula:
C10H12N2O5S
IUPAC Name:
3-acetoxymethylen-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Test material form:
solid: particulate/powder

Results and discussion

Applicant's summary and conclusion

Interpretation of results:
Category 1 (respiratory sensitising) based on GHS criteria
Executive summary:

The test item is reported as being a respiratory sensitizer for workers.