76916-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76916-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,1 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76916-68:
(7*7)+(6*6)+(5*9)+(4*1)+(3*6)+(2*6)+(1*8)=172
172 % 10 = 2
So 76916-68-2 is a valid CAS Registry Number.