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4993-93-5

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4993-93-5 Usage

General Description

Ethyl 4-nitro-1H-indole-2-carboxylate, also known as ethyl 4-nitroindole-2-carboxylate, is a chemical compound with the molecular formula C13H10N2O4. It is a nitro-substituted indole derivative, commonly used as a building block in the synthesis of various pharmaceuticals and agrochemicals. The compound has a yellow crystalline appearance and is insoluble in water but soluble in organic solvents. It is important to handle ethyl 4-nitro-1H-indole-2-carboxylate with caution, as it is considered to be a hazardous chemical with potential health and environmental hazards.

Check Digit Verification of cas no

The CAS Registry Mumber 4993-93-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,9 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4993-93:
(6*4)+(5*9)+(4*9)+(3*3)+(2*9)+(1*3)=135
135 % 10 = 5
So 4993-93-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H10N2O4/c1-2-17-11(14)9-6-7-8(12-9)4-3-5-10(7)13(15)16/h3-6,12H,2H2,1H3

4993-93-5 Well-known Company Product Price

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  • (Code)Product description
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  • Alfa Aesar

  • (H63440)  Ethyl 4-nitroindole-2-carboxylate, 97%   

  • 4993-93-5

  • 250mg

  • 2352.0CNY

  • Detail
  • Alfa Aesar

  • (H63440)  Ethyl 4-nitroindole-2-carboxylate, 97%   

  • 4993-93-5

  • 1g

  • 7526.0CNY

  • Detail

4993-93-5Relevant articles and documents

Compositions for Treatment of Cystic Fibrosis and Other Chronic Diseases

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Paragraph 0399; 1746, (2015/09/22)

The present invention relates to pharmaceutical compositions comprising an inhibitor of epithelial sodium channel activity in combination with at least one ABC Transporter modulator compound of Formula A, Formula B, Formula C, or Formula D. The invention also relates to pharmaceutical formulations thereof, and to methods of using such compositions in the treatment of CFTR mediated diseases, particularly cystic fibrosis using the pharmaceutical combination compositions.

Expedient synthesis of 1-hydroxy-4- and 1-hydroxy-6-nitroindoles

Bujok, Robert,Wrbel, Zbigniew,Wojciechowski, Krzysztof

, p. 1315 - 1320 (2012/07/13)

Reaction of -chloroalkyl ketones with 1,3-dinitrobenzenes provides 2,4-dinitrobenzyl ketones which when reduced with tin(II) chloride form 6-nitro derivatives of 1-hydroxyindoles. An alternative approach is the condensation of 2,4- and 2,6-dinitrotoluenes

Modulators of ATP-binding cassette transporters

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Page/Page column 139, (2008/06/13)

Compounds of the present invention and pharmaceutically acceptable compositions thereof, are useful as modulators of ATP-Binding Cassette (“ABC”) transporters or fragments thereof, including Cystic Fibrosis Transmembrane Conductance Regulator (“CFTR”). The present invention also relates to methods of treating ABC transporter mediated diseases using compounds of the present invention.

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