851-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851-74-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,5 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 851-74:
(5*8)+(4*5)+(3*1)+(2*7)+(1*4)=81
81 % 10 = 1
So 851-74-1 is a valid CAS Registry Number.