851017-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851017-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,0,1 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 851017-83:
(8*8)+(7*5)+(6*1)+(5*0)+(4*1)+(3*7)+(2*8)+(1*3)=149
149 % 10 = 9
So 851017-83-9 is a valid CAS Registry Number.