C19H17N5O7S3
523.6 g/mol
APIDanger
Ceftiofur
CAS80370-57-6
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Ceftiofur is a third-generation cephalosporin antibiotic developed for veterinary use. It is resistant to beta-lactamase enzymes and exhibits activity against both Gram-positive and Gram-negative bacteria.
Veterinary antibacterial agentRaw material for pharmaceutical manufacturing
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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Related Compounds
StrongSame Parent
Ceftiofur hydrochloride
CAS103980-44-5
pharmaceutical raw material
ApplicationSame Use
Cefalonium
CAS5575-21-3
pharmaceutical raw material
ReferenceSame Category
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CAS80382-23-6
pharmaceutical raw material
ReferenceSame Category
Fursultiamine
CAS804-30-8
pharmaceutical raw material
ReferenceSame Category
Levoleucovorin calcium
CAS80433-71-2
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ReferenceSame Category
Acacetin-7-O-beta-D-galactopyranoside
CAS80443-15-8
pharmaceutical raw material
Referencestereoisomer of
Ceftiofur sodium
CAS104010-37-9
pharmaceutical raw material
Referencestereoisomer of
(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(methoxyimino-d3)acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Excenel-d3; Excenel RTU-d3; U 64279A-d3; U 67279A-d3;
CAS2673269-87-7
pharmaceutical raw material
Safety Reference
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Customs Tariff Classification
The international HS code for Ceftiofur (CAS 80370-57-6) 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)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(furan-2-carbonylsulfanylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
InChIKey
ZBHXIWJRIFEVQY-IHMPYVIRSA-N
SMILES
CO/N=C(/C1=CSC(=N1)N)\C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)CSC(=O)C4=CC=CO4)C(=O)O
Synonyms (26)
- Ceftiofur (INN)
- CEFTIOFUR [MART.]
- Ceftiofur
- Ceftiofur Free Acid
- Ceftiofur/ceftiofur free acid
- Ceftiofurum
- Ceftiofurum [Latin]
- EXCEDE FOR SWINE
- Excede
- Excede Sterile
- Excede for Swine Sterile
- Naxcel
- Naxcel (veterinary)
- Naxcel [veterinary] (TN)
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