173865-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173865-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,8,6 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 173865-33:
(8*1)+(7*7)+(6*3)+(5*8)+(4*6)+(3*5)+(2*3)+(1*3)=163
163 % 10 = 3
So 173865-33-3 is a valid CAS Registry Number.