83-00-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83-00-1 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83-00:
(4*8)+(3*3)+(2*0)+(1*0)=41
41 % 10 = 1
So 83-00-1 is a valid CAS Registry Number.