5-Bromonicotinic Acid; 20826-04-4; 3-Bromo Pyridine-5-Carboxylic Acid; CAS 20826-04-4

• Customization: Available
• CAS No.: 20826-04-4
• Formula: C6h4brno2
• EINECS: 244-065-5
• Appearance: Crystal
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Yellow
• Samples: Available
• Purity: 99%
• Certificates: ISO9001/SGS
• Package: 1kg/5kg/10kg/25kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Trademark: Yunbang
• Origin: China

Product Description

5-Bromonicotinic acid;20826-04-4;3-BROMO PYRIDINE-5-CARBOXYLIC ACID;CAS 20826-04-4
 

5-Bromonicotinic acid Chemical Properties

Melting point	178-180 °C(lit.)
Boiling point	259.67°C (rough estimate)
density	1.7477 (rough estimate)
refractive index	1.6120 (estimate)
storage temp.	2-8°C
pka	3.08±0.10(Predicted)
form	Powder
color	White to yellow-gray or light brown
BRN	115854
InChIKey	FQIUCPGDKPXSLL-UHFFFAOYSA-N
CAS DataBase Reference	20826-04-4(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36-24/25
WGK Germany	3
RTECS	QT0868000
Hazard Note	Irritant
HazardClass	IRRITANT
HS Code	29333999

 

 

5-Bromonicotinic acid Usage And Synthesis

Chemical Properties	Light yellow Cryst
Synthesis Reference(s)	Journal of the American Chemical Society, 70, p. 2381, 1948 DOI: 10.1021/ja01187a020
Purification Methods	The acid is recrystallised from H2O and then from EtOH using charcoal. The amide has m 219-219.5o (from aqueous EtOH), and the methyl ester, prepared by addition of ethereal diazomethan e, can be purified by sublimation in a vacuum and has m 98-99o. The acid chloride also can be sublimed in vacuo and has m 74-75o and gives the methyl ester in MeOH. [Graf J Prakt Chem 138 244 1933, Bachman & Micucci J Am Chem Soc 70 2381 1948, Garcia et al. J Am Chem Soc 82 4430 1960, Misic-Vokovic et al. J Chem Soc 34 1978, Beilstein 22/2 V 181.]

 

Company Informations:

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.