4815-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4815-74-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,1 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4815-74:
(6*4)+(5*8)+(4*1)+(3*5)+(2*7)+(1*4)=101
101 % 10 = 1
So 4815-74-1 is a valid CAS Registry Number.