C5H6O3
114.1 g/mol
Pharmaceutical IntermediateDanger
3-oxocyclobutane-1-carboxylic Acid
CAS23761-23-1EC639-432-5
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
3-Oxocyclobutane-1-carboxylic acid is a small-ring γ-keto acid that exhibits hydrogen bonding in its crystalline structure. It is used as a pharmaceutical intermediate in the synthesis of drug compounds.
pharmaceutical intermediate
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
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Referencesame scaffold
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Referencesame scaffold
Cyclobutanone
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Referencesame scaffold
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Referencesame scaffold
Tert-Butyl 3-oxocyclobutylcarbamate
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pharmaceutical intermediate
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-oxocyclobutane-1-carboxylic Acid (CAS 23761-23-1) is 2918.30.
HS code (international, 6-digit)
2918.30
EU CN code (8-digit)
2918 30 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
3-oxocyclobutane-1-carboxylic acid
InChIKey
IENOFRJPUPTEMI-UHFFFAOYSA-N
SMILES
C1C(CC1=O)C(=O)O
Synonyms (10)
- AC-290
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