81418-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81418-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,1 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81418-20:
(7*8)+(6*1)+(5*4)+(4*1)+(3*8)+(2*2)+(1*0)=114
114 % 10 = 4
So 81418-20-4 is a valid CAS Registry Number.
81418-20-4Relevant articles and documents
KINETIC CYANATIONS OF KETONE ENOLATES
Kahne, Daniel,Collum, David B.
, p. 5011 - 5014 (2007/10/02)
Kinetic cyanations of ketone enolates using p-toluenesulfonyl cyanide provide efficient routes to β-ketonitriles.