22102-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22102-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,0 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22102-56:
(7*2)+(6*2)+(5*1)+(4*0)+(3*2)+(2*5)+(1*6)=53
53 % 10 = 3
So 22102-56-3 is a valid CAS Registry Number.