96931-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 96931-78-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,9,3 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 96931-78:
(7*9)+(6*6)+(5*9)+(4*3)+(3*1)+(2*7)+(1*8)=181
181 % 10 = 1
So 96931-78-1 is a valid CAS Registry Number.