172226-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172226-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,2 and 6 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 172226-24:
(8*1)+(7*7)+(6*2)+(5*2)+(4*2)+(3*6)+(2*2)+(1*4)=113
113 % 10 = 3
So 172226-24-3 is a valid CAS Registry Number.