173901-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173901-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,9,0 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 173901-17:
(8*1)+(7*7)+(6*3)+(5*9)+(4*0)+(3*1)+(2*1)+(1*7)=132
132 % 10 = 2
So 173901-17-2 is a valid CAS Registry Number.