317-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317-98-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,1 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 317-98:
(5*3)+(4*1)+(3*7)+(2*9)+(1*8)=66
66 % 10 = 6
So 317-98-6 is a valid CAS Registry Number.