179416-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179416-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,4,1 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 179416-72:
(8*1)+(7*7)+(6*9)+(5*4)+(4*1)+(3*6)+(2*7)+(1*2)=169
169 % 10 = 9
So 179416-72-9 is a valid CAS Registry Number.