142232-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142232-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,2,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142232-21:
(8*1)+(7*4)+(6*2)+(5*2)+(4*3)+(3*2)+(2*2)+(1*1)=81
81 % 10 = 1
So 142232-21-1 is a valid CAS Registry Number.
142232-21-1Relevant articles and documents
ARYL TRIFLUOROMETHYL KETONE HYDRATES AS PRECURSORS OF CARBOXYLIC ACIDS AND ESTERS
Delgado, Antonio,Clardy, Jon
, p. 2789 - 2790 (1992)
A simple method for the preparation of aryl carboxylic acids and esters from aryl trifluoromethyl ketone hydrates is described.
