343-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343-64-6 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 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 343-64:
(5*3)+(4*4)+(3*3)+(2*6)+(1*4)=56
56 % 10 = 6
So 343-64-6 is a valid CAS Registry Number.