172367-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172367-39-4 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 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 172367-39:
(8*1)+(7*7)+(6*2)+(5*3)+(4*6)+(3*7)+(2*3)+(1*9)=144
144 % 10 = 4
So 172367-39-4 is a valid CAS Registry Number.