21152-33-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21152-33-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,5 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 21152-33:
(7*2)+(6*1)+(5*1)+(4*5)+(3*2)+(2*3)+(1*3)=60
60 % 10 = 0
So 21152-33-0 is a valid CAS Registry Number.