C20H18N4O5S2
458.5 g/mol
APIDanger
Cephalonium
CAS5575-21-3EC226-948-7
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material
Cephalonium is a first-generation semi-synthetic cephalosporin antibiotic used in veterinary medicine. It is a cephalosporin compound with activity against aerobic gram-positive and some community-acquired gram-negative bacteria.
pharmaceutical raw material for veterinary antibiotic manufacturingcompound used in the treatment of bovine mastitis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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1,2,3,4,5,6-Hexahydro-1,5-methano-pyrido[1,2-a][1,5]diazocin-8-one
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pharmaceutical raw material
Safety Reference
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Cephalonium (CAS 5575-21-3) is 2941.90.
HS code (international, 6-digit)
2941.90
EU CN code (8-digit)
2941 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(6R,7R)-3-[(4-carbamoylpyridin-1-ium-1-yl)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
InChIKey
FMZXNVLFJHCSAF-DNVCBOLYSA-N
SMILES
C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CS3)C(=O)[O-])C[N+]4=CC=C(C=C4)C(=O)N
Synonyms (24)
- Cefalonio [INN-Spanish]
- Cefalonium [INN-Latin]
- 5575-21-3 (Anhydrous)
- CEFALONIUM [MART.]
- Cefalonio
- Cefalonium
- Cefalonium (BAN)
- Cefalonium hydrate
- Cefalonum
- Cephalonium
- Cephalonium hydrate
- Cepravin (veterinary)
- Cepravin dry cow
- Cepravin dry cow (TN)
- Lilly 41071
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