1612-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1612-63-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,1 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1612-63:
(6*1)+(5*6)+(4*1)+(3*2)+(2*6)+(1*3)=61
61 % 10 = 1
So 1612-63-1 is a valid CAS Registry Number.