313259-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313259-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,2,5 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 313259-74:
(8*3)+(7*1)+(6*3)+(5*2)+(4*5)+(3*9)+(2*7)+(1*4)=124
124 % 10 = 4
So 313259-74-4 is a valid CAS Registry Number.