313517-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313517-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,1 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 313517-87:
(8*3)+(7*1)+(6*3)+(5*5)+(4*1)+(3*7)+(2*8)+(1*7)=122
122 % 10 = 2
So 313517-87-2 is a valid CAS Registry Number.