22170-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22170-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,7 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22170-88:
(7*2)+(6*2)+(5*1)+(4*7)+(3*0)+(2*8)+(1*8)=83
83 % 10 = 3
So 22170-88-3 is a valid CAS Registry Number.