17799-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17799-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,9 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17799-72:
(7*1)+(6*7)+(5*7)+(4*9)+(3*9)+(2*7)+(1*2)=163
163 % 10 = 3
So 17799-72-3 is a valid CAS Registry Number.