Impurities
AY-0429-004
Cefalexin EP Impurity A
C8H9NO2
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Impurity reference standard material
Cefalexin EP Impurity B
Material overview
Cefalexin EP Impurity B (AY-0429-002) — impurity reference standard material. CAS 22252-43-3, formula C8H10N2O3S, molecular weight 214.24 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0429-002
- CAS number
- 22252-43-3
- Molecular formula
- C8H10N2O3S
- Molecular weight
- 214.24 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (6R,7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- Synonyms
- 7-Amino-3-deacetoxycephalosporanic acid Deacetoxycephalosporanic acid
- SMILES
- CC1=C(N2[C@@H]([C@@H](C2=O)N)SC1)C(=O)O
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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