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Butanoic acid, 4-chloro-4-oxo-, methyl ester

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Butanoic acid, 4-chloro-4-oxo-, methyl ester molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Butanoic acid, 4-chloro-4-oxo-, methyl ester (CAS 1490-25-1). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS1490-25-1
Molecular formulaC5H7ClO3
Molecular weight150.56 g/mol
IUPAC namemethyl 4-chloro-4-oxobutanoate
SynonymsMethyl 4-chloro-4-oxobutyrate · RefChem:571563 · methyl 4-chloro-4-oxobutanoate · Methyl 3-(chloroformyl)propionate · 3-(Carbomethoxy)propionyl chloride · methoxycarbonylpropionyl chloride
Safety & Hazards (GHS) Danger
Corrosive Corrosive
  • H314 Causes severe skin burns and eye damage

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma METHYL 4-CHLORO-4-OXOBUTYRATE, 97% C11049-100G
C11049-25G
C11049-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.