99417-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99417-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,1 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99417-93:
(7*9)+(6*9)+(5*4)+(4*1)+(3*7)+(2*9)+(1*3)=183
183 % 10 = 3
So 99417-93-3 is a valid CAS Registry Number.