C15H14ClN3O4S
367.8 g/mol
APIDanger
Cefaclor
CAS53994-73-3EC258-909-5
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Cefaclor is a cephalosporin antibiotic used as an active pharmaceutical ingredient. It features chloro and (R)-2-amino-2-phenylacetamido groups and is recognized for its antibacterial properties and as a potential drug allergen.
antibacterial agentpharmaceutical raw material
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
Cefaclor monohydrate
CAS70356-03-5
pharmaceutical raw material
ReferenceSame Category
(−)-nicotine
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pharmaceutical raw material
ReferenceSame Category
Sodium salicylate
CAS54-21-7
pharmaceutical raw material
ReferenceSame Category
Furosemide
CAS54-31-9
pharmaceutical raw material
ReferenceSame Category
Idoxuridine
CAS54-42-2
pharmaceutical raw material
Referencesame scaffold
Chloro Cephalexin
CAS22039-59-4
pharmaceutical intermediate
Referencesame scaffold
Cefadroxil monohydrate
CAS66592-87-8
pharmaceutical raw material
Referencesame scaffold
(EZ)-cefprozil
CAS92665-29-7
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 Cefaclor (CAS 53994-73-3) 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)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
InChIKey
QYIYFLOTGYLRGG-GPCCPHFNSA-N
SMILES
C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)O)Cl
Synonyms (41)
- CCL
- Cefaclorum [INN-Latin]
- 53994-73-3 (free)
- Alenfral (TN)
- Alfacet
- Bacticlor mr
- COMPOUND 99638
- Ceclor
- Ceclor CD
- Cefaclor (JP18)
- Cefaclor (Standard)
- Cefaclor CRS
- Cefaclor Impurity C
- Cefaclor anhydrous
- Cefaclor hydrate
- Cefaclorum
- Cephaclor
- Distaclor
- Distaclor mr
- Dystaclor MR
- Kefral
- Keftid
- L-Kefral
- Lilly 99638
- Panoral
- Raniclor
- cefaclor
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