99049-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99049-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,4 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99049-28:
(7*9)+(6*9)+(5*0)+(4*4)+(3*9)+(2*2)+(1*8)=172
172 % 10 = 2
So 99049-28-2 is a valid CAS Registry Number.