93003-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93003-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,0,0 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 93003-99:
(7*9)+(6*3)+(5*0)+(4*0)+(3*3)+(2*9)+(1*9)=117
117 % 10 = 7
So 93003-99-7 is a valid CAS Registry Number.