130815-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130815-63-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,1 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130815-63:
(8*1)+(7*3)+(6*0)+(5*8)+(4*1)+(3*5)+(2*6)+(1*3)=103
103 % 10 = 3
So 130815-63-3 is a valid CAS Registry Number.