313988-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313988-88-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,9,8 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 313988-88:
(8*3)+(7*1)+(6*3)+(5*9)+(4*8)+(3*8)+(2*8)+(1*8)=174
174 % 10 = 4
So 313988-88-4 is a valid CAS Registry Number.