83533-84-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83533-84-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,3 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83533-84:
(7*8)+(6*3)+(5*5)+(4*3)+(3*3)+(2*8)+(1*4)=140
140 % 10 = 0
So 83533-84-0 is a valid CAS Registry Number.