317374-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317374-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,3,7 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 317374-45:
(8*3)+(7*1)+(6*7)+(5*3)+(4*7)+(3*4)+(2*4)+(1*5)=141
141 % 10 = 1
So 317374-45-1 is a valid CAS Registry Number.