C16H15N5O7S2
453.5 g/mol
APIDanger
Cefspan
CAS79350-37-1
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Cefixime is a third-generation cephalosporin antibiotic used as a pharmaceutical raw material. It is an antibacterial compound with a cephem core structure.
pharmaceutical manufacturingantibacterial drug substance
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
Cefixime trihydrate
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SimilarStructure SimilarSimilarity 0.84
(6R,7R)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(2-ethoxy-2-oxoethoxy)imino]acetyl}amino)-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS79368-95-9
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.79
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Referencestereoisomer of
(6R,7S)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl}amino)-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS108691-83-4
pharmaceutical intermediate
Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Cefspan (CAS 79350-37-1) 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-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
InChIKey
OKBVVJOGVLARMR-QSWIMTSFSA-N
SMILES
C=CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\OCC(=O)O)/C3=CSC(=N3)N)SC1)C(=O)O
Synonyms (39)
- C04
- CFIX
- Cefixime (INN)
- (-)-Cefixim
- Anhydrous cefixime
- CL 284,635
- Cefixima
- Cefixima [Spanish]
- Cefixime (Standard)
- Cefixime 400 mg UD
- Cefixime Anhydrous
- Cefixime CRS
- Cefiximum
- Cefiximum [Latin]
- Cefixoral
- Cefspan
- Cephoral
- Citropen
- Denvar
- Necopen
- Oroken
- Suprax
- Tricef
- Unixime
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