28472-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28472-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,7 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28472-99:
(7*2)+(6*8)+(5*4)+(4*7)+(3*2)+(2*9)+(1*9)=143
143 % 10 = 3
So 28472-99-3 is a valid CAS Registry Number.