72833-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72833-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,3 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72833-59:
(7*7)+(6*2)+(5*8)+(4*3)+(3*3)+(2*5)+(1*9)=141
141 % 10 = 1
So 72833-59-1 is a valid CAS Registry Number.