64219-61-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64219-61-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,1 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64219-61:
(7*6)+(6*4)+(5*2)+(4*1)+(3*9)+(2*6)+(1*1)=120
120 % 10 = 0
So 64219-61-0 is a valid CAS Registry Number.