723758-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723758-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,7,5 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 723758-17:
(8*7)+(7*2)+(6*3)+(5*7)+(4*5)+(3*8)+(2*1)+(1*7)=176
176 % 10 = 6
So 723758-17-6 is a valid CAS Registry Number.