313964-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313964-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,9,6 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 313964-97:
(8*3)+(7*1)+(6*3)+(5*9)+(4*6)+(3*4)+(2*9)+(1*7)=155
155 % 10 = 5
So 313964-97-5 is a valid CAS Registry Number.