77880-75-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77880-75-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,8 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77880-75:
(7*7)+(6*7)+(5*8)+(4*8)+(3*0)+(2*7)+(1*5)=182
182 % 10 = 2
So 77880-75-2 is a valid CAS Registry Number.