14203-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14203-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,2,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 14203-74:
(7*1)+(6*4)+(5*2)+(4*0)+(3*3)+(2*7)+(1*4)=68
68 % 10 = 8
So 14203-74-8 is a valid CAS Registry Number.
14203-74-8Relevant articles and documents
COPPER(II) IN ORGANIC SYNTHESIS. IX . THE COPPER(II)-CATALYZED MICHAEL REACTION AS A ROUTE TO POLYSUBSTITUTED BENZENE DERIVATIVES
Desimoni, Giovanni,Invernizzi, Anna Gamba,Quadrelli, Paolo,Righetti, Pier Paolo
, p. 483 - 485 (2007/10/02)
A new synthetic method to polysubstituted benzene derivatives is reported.