172494-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172494-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,9 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 172494-67:
(8*1)+(7*7)+(6*2)+(5*4)+(4*9)+(3*4)+(2*6)+(1*7)=156
156 % 10 = 6
So 172494-67-6 is a valid CAS Registry Number.