Synonym(s): Monomethyl oxalyl chloride; Chloroglyoxylic acid methyl ester; Methyl (chloroformyl)formate; Methyl 2-chloro-2-oxoacetate; Methyl chloroglyoxalate; Methyl oxalyl chloride
Formula: ClCOCOOCH3
Formula Weight: 122.51
CAS No.: 5781-53-3
UN Number: UN2920
Purity: 96%
Density: 1.332g/mLat 25°C(lit.)
Application: Reactant involved in:
• Regioselective synthesis of fused coumarins
• Cyclization to form substituted isoxazoles and heterocycles
• Intramolecular Wittig reactions
• Silyl enol ether acylation
• Iron-mediated cleavage of C-C bonds
Packaging: 5, 10, 50 g in glass bottle
Beilstein Registry Number: 1071541
EC No.: 227-307-4
Boiling Point: 118-120°C(lit.)
Refractive Index: n20/D 1.419(lit.)
Empirical Formula (Hill Notation): C4H4N2O2