28448-08-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28448-08-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,4 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28448-08:
(7*2)+(6*8)+(5*4)+(4*4)+(3*8)+(2*0)+(1*8)=130
130 % 10 = 0
So 28448-08-0 is a valid CAS Registry Number.
28448-08-0Relevant articles and documents
(1H-tetrazol-5-yl)-2(1H)-quinolinones and-naphthyridones and antiallergic use thereof
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, (2008/06/13)
(1H-Tetrazol-5-yl)-2(1H)-quinolones useful as antiallergic agents are described herein. The compounds are prepared by the reaction of sodium azide and ammonium chloride with an appropriate 3-cyano-2(1H)-quinolinone.
