851713-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851713-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,7,1 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 851713-74:
(8*8)+(7*5)+(6*1)+(5*7)+(4*1)+(3*3)+(2*7)+(1*4)=171
171 % 10 = 1
So 851713-74-1 is a valid CAS Registry Number.