6-Hydroxyindole-2-carboxylic acid

Modify Date: 2025-08-25 17:14:33

6-Hydroxyindole-2-carboxylic acid Structure
6-Hydroxyindole-2-carboxylic acid structure
Common Name 6-Hydroxyindole-2-carboxylic acid
CAS Number 40047-23-2 Molecular Weight 177.157
Density 1.6±0.1 g/cm3 Boiling Point 511.4±30.0 °C at 760 mmHg
Molecular Formula C9H7NO3 Melting Point N/A
MSDS Chinese USA Flash Point 263.1±24.6 °C

 Names

Name 6-Hydroxyindole-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 511.4±30.0 °C at 760 mmHg
Molecular Formula C9H7NO3
Molecular Weight 177.157
Flash Point 263.1±24.6 °C
Exact Mass 177.042587
PSA 73.32000
LogP 1.57
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.780
InChIKey HJUFFOMJRAXIRF-UHFFFAOYSA-N
SMILES O=C(O)c1cc2ccc(O)cc2[nH]1
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

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6-Hydroxyindole-2-carboxylic acid Structure

6-Hydroxyindole...

CAS#:40047-23-2

Literature: SMITHKLINE BEECHAM CORPORATION Patent: WO2008/157270 A1, 2008 ; Location in patent: Page/Page column 77 ;

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6-Hydroxyindole-2-carboxylic acid Structure

6-Hydroxyindole...

CAS#:40047-23-2

Literature: Passiniemi, Mikko; Myllymaeki, Mikko J.; Vuokko, Juha; Koskinen, Ari M.P. Letters in Organic Chemistry, 2011 , vol. 8, # 1 p. 48 - 52

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6-Hydroxyindole-2-carboxylic acid Structure

6-Hydroxyindole...

CAS#:40047-23-2

Literature: Beer et al. Journal of the Chemical Society, 1948 , p. 1605,1608

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6-Hydroxyindole-2-carboxylic acid Structure

6-Hydroxyindole...

CAS#:40047-23-2

Literature: Beer et al. Journal of the Chemical Society, 1948 , p. 1605,1608

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6-Hydroxyindole-2-carboxylic acid Structure

6-Hydroxyindole...

CAS#:40047-23-2

Literature: Beer et al. Journal of the Chemical Society, 1948 , p. 1605,1608

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1H-Indole-2-carboxylic acid, 6-hydroxy-
6-Hydroxy-1H-indole-2-carboxylic acid
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