851517-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851517-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,5,1 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 851517-12:
(8*8)+(7*5)+(6*1)+(5*5)+(4*1)+(3*7)+(2*1)+(1*2)=159
159 % 10 = 9
So 851517-12-9 is a valid CAS Registry Number.