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956619-81-1

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956619-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 956619-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,6,6,1 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 956619-81:
(8*9)+(7*5)+(6*6)+(5*6)+(4*1)+(3*9)+(2*8)+(1*1)=221
221 % 10 = 1
So 956619-81-1 is a valid CAS Registry Number.

956619-81-1Relevant articles and documents

Synthesis and antitubercular activity of lipophilic moxifloxacin and gatifloxacin derivatives

de Almeida, Mauro V.,Saraiva, Mauricio F.,de Souza, Marcus V.N.,da Costa, Cristiane F.,Vicente, Felipe R.C.,Lourenco, Maria C.S.

, p. 5661 - 5664 (2007)

Fluoroquinolone (FQ) has a broad spectrum of activity against several bacteria, mycobacteria, parasites, and other diseases. Moxifloxacin and gatifloxacin are a new generation of fluoroquinolone agents with improved activity against Gram-negative and positive bacteria. As lipophilicity is an important consideration in the design and activity of novel antibacterial agents, we report in this work the synthesis and biological evaluation of 12 lipophilic moxifloxacin or gatifloxacin derivatives, by reaction of 1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxoquinoline-3-carboxylic acid 13 with severals N-monoalkyl 1,2-ethanediamine or 1,3-propanediamine.

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