CAS Registry Number: 53305-12-7

Name:

Benzeneacetic acid, 4-​(chlorosulfonyl)​-​, methyl ester
(4-​Chlorosulfonylphenyl​)​acetic acid methyl ester 

Chemical Formula: C9H9ClO4S
Exact Mass: 247.99
Molecular Weight: 248.68
m/z: 247.99 (100.0%), 249.99 (36.6%), 248.99 (10.5%), 250.99 (3.9%), 251.98 (1.4%), 250.00 (1.3%)
Elemental Analysis: C, 43.47; H, 3.65; Cl, 14.26; O, 25.73; S, 12.89

Specification

98%

PCT Int. Appl. (2013), WO 2013045431 A1 20130404.

PCT Int. Appl. (2012), WO 2012020357 A1 20120216.