21122-96-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21122-96-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,2 and 2 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21122-96:
(7*2)+(6*1)+(5*1)+(4*2)+(3*2)+(2*9)+(1*6)=63
63 % 10 = 3
So 21122-96-3 is a valid CAS Registry Number.