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246263

Sigma-Aldrich

Indole-4-carboxylic acid

98%

Synonym(s):

4-Carboxyindole

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About This Item

Empirical Formula (Hill Notation):
C9H7NO2
CAS Number:
Molecular Weight:
161.16
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

form

powder

mp

213-214 °C (lit.)

SMILES string

OC(=O)c1cccc2[nH]ccc12

InChI

1S/C9H7NO2/c11-9(12)7-2-1-3-8-6(7)4-5-10-8/h1-5,10H,(H,11,12)

InChI key

ROGHUJUFCRFUSO-UHFFFAOYSA-N

Application

  • Reactant for preparation of substituted indole derivatives as histamine H3 antagonists
  • Reactant for preparation of potent and selective inhibitors of human reticulocyte 15-lipoxygenase-1
  • Reactant for preparation of inhibitors of Gli1-mediated transcription in Hedgehog pathway
  • Reactant for preparation of pyridinyl carboxylates as SARS-CoV 3CL proinhibitors
  • Reactant for preparation of substituted bipiperidinylmethyl amides as CCR3 membrane binding ligands
  • Reactant for preparation of indole amide hydroxamic acids as potent inhibitors of histone deacetylases
  • Reactant for preparation of 2-[[[4′-chloro-[1,1-biphenyl]-4-yl]thio]methyl]-N-hydroxybutanamide derivatives as specific metalloproteinase
tert-butyl esters of indole and pyrrolecarboylic acids are readily prepared by direct treatment with N,N-dimethylformamide di-tert-butyl acetal (Cat. No. 395005).

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

246263-VAR:
246263-500MG:
246263-BULK:
246263-250MG:
246263-1G:
246263-5G:


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SOLVENT EFFECTS ON THE ELECTRONIC ABSORPTION AND FLUORESCENCE SPECTRA OF INDOLE?4?CARBOXYLIC ACID: PROTOTROPIC EQUILIBRIA IN AQUEOUS SOLUTIONS.
Krishnamurthy M.
Photochemistry and Photobiology, 45(3), 359-364 (1987)
Synthetic Communications, 34, 3691-3691 (2005)

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