172366-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172366-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,3,6 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 172366-31:
(8*1)+(7*7)+(6*2)+(5*3)+(4*6)+(3*6)+(2*3)+(1*1)=133
133 % 10 = 3
So 172366-31-3 is a valid CAS Registry Number.