833-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 833-34-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 833-34:
(5*8)+(4*3)+(3*3)+(2*3)+(1*4)=71
71 % 10 = 1
So 833-34-1 is a valid CAS Registry Number.