173603-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173603-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,6,0 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 173603-40:
(8*1)+(7*7)+(6*3)+(5*6)+(4*0)+(3*3)+(2*4)+(1*0)=122
122 % 10 = 2
So 173603-40-2 is a valid CAS Registry Number.