76880-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76880-55-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,8 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 76880-55:
(7*7)+(6*6)+(5*8)+(4*8)+(3*0)+(2*5)+(1*5)=172
172 % 10 = 2
So 76880-55-2 is a valid CAS Registry Number.