317802-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317802-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,8,0 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 317802-12:
(8*3)+(7*1)+(6*7)+(5*8)+(4*0)+(3*2)+(2*1)+(1*2)=123
123 % 10 = 3
So 317802-12-3 is a valid CAS Registry Number.