1421968-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421968-90-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,9,6 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1421968-90:
(9*1)+(8*4)+(7*2)+(6*1)+(5*9)+(4*6)+(3*8)+(2*9)+(1*0)=172
172 % 10 = 2
So 1421968-90-2 is a valid CAS Registry Number.