22921-82-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22921-82-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,2 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22921-82:
(7*2)+(6*2)+(5*9)+(4*2)+(3*1)+(2*8)+(1*2)=100
100 % 10 = 0
So 22921-82-0 is a valid CAS Registry Number.