877-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877-74-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,7 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 877-74:
(5*8)+(4*7)+(3*7)+(2*7)+(1*4)=107
107 % 10 = 7
So 877-74-7 is a valid CAS Registry Number.