173439-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173439-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,3 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 173439-67:
(8*1)+(7*7)+(6*3)+(5*4)+(4*3)+(3*9)+(2*6)+(1*7)=153
153 % 10 = 3
So 173439-67-3 is a valid CAS Registry Number.