345-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345-63-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,4 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 345-63:
(5*3)+(4*4)+(3*5)+(2*6)+(1*3)=61
61 % 10 = 1
So 345-63-1 is a valid CAS Registry Number.