C4H5ClO3
136.53 g/mol
Pharmaceutical IntermediateDanger
Methyl malonyl chloride
CAS37517-81-0EC253-540-6
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
Methyl malonyl chloride is a chemical compound used as a pharmaceutical intermediate in the manufacturing of active pharmaceutical ingredients. It serves as a building block in organic synthesis for the preparation of various drug substances.
pharmaceutical intermediatelaboratory reagent for organic synthesis
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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5-Chloro-2-fluoro-3-methylpyridine
CAS375368-84-6
pharmaceutical intermediate
ReferenceSame Category
4-Chloro-6-trifluoromethylpyrimidine
CAS37552-81-1
pharmaceutical intermediate
ReferenceSame Category
5-chloro-1,3,4-thiadiazol-2-amine
CAS37566-40-8
pharmaceutical intermediate
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Methyl malonyl chloride (CAS 37517-81-0) is 2917.19.
HS code (international, 6-digit)
2917.19
EU CN code (8-digit)
2917 19 80
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
methyl 3-chloro-3-oxopropanoate
InChIKey
UTBCRHAMJFMIIR-UHFFFAOYSA-N
SMILES
COC(=O)CC(=O)Cl
Synonyms (14)
- Methyl chloroformylacetate
- Methyl malonyl chloride
- carbomethoxy acetyl chloride
- methyl chlorocarbonylacetate
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