33121-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33121-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,2 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33121-71:
(7*3)+(6*3)+(5*1)+(4*2)+(3*1)+(2*7)+(1*1)=70
70 % 10 = 0
So 33121-71-0 is a valid CAS Registry Number.