28398-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28398-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,9 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28398-28:
(7*2)+(6*8)+(5*3)+(4*9)+(3*8)+(2*2)+(1*8)=149
149 % 10 = 9
So 28398-28-9 is a valid CAS Registry Number.
InChI:InChI=1/C16H22N6O4/c17-14(24)12-2-1-7-22(12)16(26)11(8-9-5-6-18-21-9)20-15(25)10-3-4-13(23)19-10/h5-6,10-12H,1-4,7-8H2,(H2,17,24)(H,18,21)(H,19,23)(H,20,25)/t10-,11-,12-/m0/s1