99632-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99632-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,3 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 99632-54:
(7*9)+(6*9)+(5*6)+(4*3)+(3*2)+(2*5)+(1*4)=179
179 % 10 = 9
So 99632-54-9 is a valid CAS Registry Number.