ChemicalBook > CAS DataBase List > 1H-Indazole-6-carboxylic acid, 4-bromo-

1H-Indazole-6-carboxylic acid, 4-bromo-

Product Name: 1H-Indazole-6-carboxylic acid, 4-bromo-
CAS No.: 885523-43-3
Chemical Name: 1H-Indazole-6-carboxylic acid, 4-bromo-
Synonyms: 4-Bromo-6-indazolecarboxylic acid;4-BroMo-1H-indazole-6-carboxylic acid;1H-Indazole-6-carboxylicacid,4-broMo-
CBNumber: CB82525204
Molecular Formula: C8H5BrN2O2
Formula Weight: 241.04
MOL File: 885523-43-3.mol

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1H-Indazole-6-carboxylic acid, 4-bromo- Property

Density: 1.946
storage temp.: Sealed in dry,Room Temperature
Appearance: Light yellow to yellow Solid

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Safety

RIDADR: UN2811
HS Code: 2933998090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H319Causes serious eye irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

SynQuest Laboratories

Product number: 3H21-9-02
Product name: 4-Bromo-1H-indazole-6-carboxylicacid
Packaging: 1g
Price: $225
Updated: 2021/12/16

AK Scientific

Product number: Z5270
Product name: 4-Bromo-1H-indazole-6-carboxylicacid
Packaging: 5g
Price: $277
Updated: 2021/12/16

Matrix Scientific

Product number: 068829
Product name: 4-Bromo-6-(1H)-indazole carboxylic acid
Purity: >95%
Packaging: 250mg
Price: $605
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H21-9-02
Product name: 4-Bromo-1H-indazole-6-carboxylicacid
Packaging: 5G
Price: $750
Updated: 2021/12/16

Matrix Scientific

Product number: 068829
Product name: 4-Bromo-6-(1H)-indazole carboxylic acid
Purity: >95%
Packaging: 500mg
Price: $1000
Updated: 2021/12/16

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1H-Indazole-6-carboxylic acid, 4-bromo- Chemical Properties,Usage,Production

Synthesis

885518-47-8

885523-43-3

4.2.2 Synthesis of 4-bromo-1H-indazole-6-carboxylic acid (14): 4-bromo-indazole-6-carboxylic acid methyl ester (13) (3.38 g, 13.3 mmol) was dissolved in ethanol (30 mL) and 15% aqueous sodium hydroxide solution (15 mL) was added. The reaction mixture was stirred at room temperature for 4 hours. After completion of the reaction, the solvent was removed by concentration under reduced pressure. The residue was diluted with water and acidified to pH 4 with 1 M hydrochloric acid to precipitate an orange precipitate. The precipitate was collected by filtration and dried under vacuum to give 4-bromo-1H-indazole-6-carboxylic acid (14) (2.64 g, 83%) as a light orange solid. Thin layer chromatography (TLC) Rf value (10% MeOH/CH2Cl2): 0.10. Melting point: 294-296 °C (decomposition).1H NMR (DMSO-d6, δ): 13.78 (1H, broad single peak), 13.3 (1H, broad single peak), 8.15 (2H, single peak), 7.80 (1H, double peak, J = 0.5 Hz).13C NMR (DMSO-d6, δ): 166.4, 139.9, 133.4, 129.9, 125.7, 123.0, 113.0, 111.8. mass spectra (ESI): m/z 240.9 ([M(79Br)+H]+), 242.9 ([M(81Br)+H]+). High Resolution Mass Spectrometry (HRMS, ESI): [M(79Br)+H]+ calculated value 240.9613 (C8H6BrN2O2), measured value 240.9607.

References

[1] Tetrahedron, 2014, vol. 70, # 2, p. 318 - 326
[2] Patent: WO2011/38579, 2011, A1. Location in patent: Page/Page column 35; 36

1H-Indazole-6-carboxylic acid, 4-bromo- Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1H-Indazole-6-carboxylic acid, 4-bromo- manufacturers

Career Henan Chemical Co

Product: 4-Bromo-1H-indazole-6-carboxylic acid 885523-43-3
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 200KG
Release date: 2018-08-15

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