99973-46-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99973-46-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,7 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99973-46:
(7*9)+(6*9)+(5*9)+(4*7)+(3*3)+(2*4)+(1*6)=213
213 % 10 = 3
So 99973-46-3 is a valid CAS Registry Number.