22912-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22912-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,1 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22912-91:
(7*2)+(6*2)+(5*9)+(4*1)+(3*2)+(2*9)+(1*1)=100
100 % 10 = 0
So 22912-91-0 is a valid CAS Registry Number.