93417-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93417-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,4,1 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 93417-99:
(7*9)+(6*3)+(5*4)+(4*1)+(3*7)+(2*9)+(1*9)=153
153 % 10 = 3
So 93417-99-3 is a valid CAS Registry Number.