81374-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81374-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,7 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81374-64:
(7*8)+(6*1)+(5*3)+(4*7)+(3*4)+(2*6)+(1*4)=133
133 % 10 = 3
So 81374-64-3 is a valid CAS Registry Number.