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1187831-58-8

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1187831-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1187831-58-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,8,3 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1187831-58:
(9*1)+(8*1)+(7*8)+(6*7)+(5*8)+(4*3)+(3*1)+(2*5)+(1*8)=188
188 % 10 = 8
So 1187831-58-8 is a valid CAS Registry Number.

1187831-58-8Downstream Products

1187831-58-8Relevant articles and documents

Synthesis and antimicrobial study of fluoroquinolonebased 4-thiazolidinones

Patel, Navin B.,Patel, Sarvil D.

, p. 757 - 770 (2011/12/04)

The title compounds 2-substituted phenyl-3-{1-cyclopropyl-6-fluoro- 7-[4-(4-methoxyphenylpiperazin-1-yl]-4-oxo-1,4-dihydroquinoline} carboxamido-1, 3-thiazolidin-4-ones 6a-j have been synthesized from lead molecule 7-chloro-1- cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 1; this reacted with thionyl chloride to give acid chloride 2 and with hydrazine hydrate to afford hydrazide 3. The hydrazide 3 on condensation with substituted aromatic aldehydes a-j gave Schiff base; these on reaction with N-(4-methoxyphenyl) piperazine and thioglycolic acid furnished title compounds 6a-j. All of the synthesized compounds have been established by elemental analysis. IR and NMR spectral data and have been screened for antifungal and antibacterial activities. Birkhaeuser Boston 2009.

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