140935-00-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140935-00-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,9,3 and 5 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 140935-00:
(8*1)+(7*4)+(6*0)+(5*9)+(4*3)+(3*5)+(2*0)+(1*0)=108
108 % 10 = 8
So 140935-00-8 is a valid CAS Registry Number.
140935-00-8Relevant articles and documents
Cyanomethyl esters: Useful protection for carboxylic acids
Hugel,Bhaskar,Longmore
, p. 693 - 697 (1992)
The alkylation of carboxylate salts with chloroacetonitrile yields cyanomethyl esters. Deprotection of the carboxyl group is most readily performed by stirring with an aqueous solution of sodium sulfide.
