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Methyl Oxalyl Chloride

CAS: 5781-53-3 | C3H3ClO3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 5781-53-3
Molecular Formula: C3H3ClO3
Molecular Mass: 122.51 g/mol

Names and Synonyms:

Methyl Oxalyl Chloride
Acetic acid, 2-chloro-2-oxo-, methyl ester
Glyoxylic acid, chloro-, methyl ester
Acetic acid, chlorooxo-, methyl ester
Methyl chloroglyoxylate
Methyl oxalyl chloride
Methoxalyl chloride
Methyl chlorooxoacetate
Monomethyl oxalate monochloride
Methyl chlorooxalate
Methyl (chloroformyl)formate
Monomethyl oxalate chloride
Methyl (chlorocarbonyl)formate
Oxalic acid methyl ester chloride
Oxalic acid monomethyl ester chloride
Methyl 2-chloro-2-oxoacetate
(Chloro)(oxo)acetic acid methyl ester
Chloroglyoxylic acid methyl ester
Methoxyoxalyl chloride

Identifiers:

SMILES:
COC(=O)C(=O)Cl
InChI:
InChI=1S/C3H3ClO3/c1-7-3(6)2(4)5/h1H3

Key Properties

Boiling Point
119 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 122.51 g/mol CAS Common Chemistry
122.507 g/mol RDKit
121.977071636 g/mol RDKit
Boiling Point 119 °C CAS Common Chemistry
Canonical SMILES O=C(Cl)C(=O)OC CAS Common Chemistry
InChI InChI=1S/C3H3ClO3/c1-7-3(6)2(4)5/h1H3 CAS Common Chemistry
InChI Key InChIKey=ZXUQEPZWVQIOJE-UHFFFAOYSA-N CAS Common Chemistry
Name Methyl oxalyl chloride CAS Common Chemistry
Heavy Atom Count 7 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 1 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 43.370000000000005 Ų RDKit
LogP -0.07520000000000016 RDKit
Molar Refractivity 22.875999999999994 RDKit

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