63815-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63815-05-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,8,1 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 63815-05:
(7*6)+(6*3)+(5*8)+(4*1)+(3*5)+(2*0)+(1*5)=124
124 % 10 = 4
So 63815-05-4 is a valid CAS Registry Number.