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127045-79-8

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127045-79-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127045-79-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,0,4 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127045-79:
(8*1)+(7*2)+(6*7)+(5*0)+(4*4)+(3*5)+(2*7)+(1*9)=118
118 % 10 = 8
So 127045-79-8 is a valid CAS Registry Number.

127045-79-8Relevant articles and documents

Pyridonecarboxylic acids as antibacterial agents. VIII. Synthesis and structure-activity relationship of 7-(1-aminocyclopropyl)-4-oxo-1,8-naphthyridine-3-carboxylic acids and 7-(1-aminocyclopropyl)-4-oxoquinoline-3-carboxylic acids

Todo,Nitta,Miyajima,Fukuoka,Yamashiro,Nishida,Saikawa,Narita

, p. 2063 - 2070 (2007/10/02)

4-Oxo-1,8-naphthyridine- and 4-oxoquinoline-3-carboxylic acids (2a, b and 3a-l) possessing a 1-aminocyclopropyl group at the 7-position have been synthesized and evaluated for in vitro antibacterial activities. The three quinolones (3d, h, i) exhibited potent antibacterial activities against both gram-positive and gram-negative bacteria, which are comparable to those of ciprofloxacin (CPFX) and ofloxacin (OFLX). Among the three compounds, the best pharmacological and pharmacokinetic profile was obtained with 3i, an OFLX analogue, which was considerably less toxic than three reference quinolones (1, CPFX, and OFLX).

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