313402-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313402-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,4,0 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 313402-99:
(8*3)+(7*1)+(6*3)+(5*4)+(4*0)+(3*2)+(2*9)+(1*9)=102
102 % 10 = 2
So 313402-99-2 is a valid CAS Registry Number.