76628-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76628-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,2 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 76628-89:
(7*7)+(6*6)+(5*6)+(4*2)+(3*8)+(2*8)+(1*9)=172
172 % 10 = 2
So 76628-89-2 is a valid CAS Registry Number.