915931-17-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 915931-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,5,9,3 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 915931-17:
(8*9)+(7*1)+(6*5)+(5*9)+(4*3)+(3*1)+(2*1)+(1*7)=178
178 % 10 = 8
So 915931-17-8 is a valid CAS Registry Number.