4-Bromo-2-thiophenecarboxylic acid

CAS No.：16694-18-1

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
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4-Bromo-2-thiophenecarboxylic acid Basic information

Product Name:	4-Bromo-2-thiophenecarboxylic acid
Synonyms:	4-BROMO-THIOPHENE-2-CARBOXYLIC ACID;4-BROMO-2-THIOPHENECARBOXYLIC ACID;AKOS B013954;ART-CHEM-BB B013954;CHEMBRDG-BB 3013954;RARECHEM AL BE 0179;4-bromothiophene-2-carboxylic acid(SALTDATA: FREE);4-Bromo-2-carboxythiophene
CAS:	16694-18-1
MF:	C5H3BrO2S
MW:	207.05
EINECS:	679-544-1
Product Categories:	Building Blocks;Carboxy;Azoles;Thiophene&Benzothiophene;Organic acids;Thiophene;blocks;Bromides;Carboxes
Mol File:	16694-18-1.mol

4-Bromo-2-thiophenecarboxylic acid Chemical Properties

Melting point	121 °C
Boiling point	323.7±27.0 °C(Predicted)
density	1.923±0.06 g/cm3(Predicted)
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
pka	3.50±0.10(Predicted)
form	powder to crystal
color	White to Light yellow
λmax	245nm(EtOH)(lit.)
InChIKey	HJZFPRVFLBBAMU-UHFFFAOYSA-N
CAS DataBase Reference	16694-18-1(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi,Xn
Risk Statements	20/21/22-36/37/38
Safety Statements	22-26-36/37/39-37/39
HazardClass	IRRITANT
HS Code	29349990

MSDS Information

4-Bromo-2-thiophenecarboxylic acid Usage And Synthesis

Chemical Properties	white to light yellow crystal powder
Uses	4-Bromo-2-thiophenecarboxylic Acid, can be used as an intermediate for the synthesis of N-(4-Bromo-2-thienyl)-carbamic Acid 1,1-Dimethylethyl Ester (B688120). The studies also shown that it can also have potency to act as a novel d-Amino Acid Oxidase (DAO)Inhibitors.

4-Bromo-2-thiophenecarboxylic acid Preparation Products And Raw materials

Raw materials	Sodium hydroxide-->Diethyl ether-->Chloroform-->Government regulation-->n-Butyllithium-->Aluminum chloride-->Carbon tetrachloride-->2-Acetylthiophene-->2,3,5-Tribromothiophene
Preparation Products	4-broMo-5-chlorothiophene-2-carboxylic acid-->Methyl 4-cyanothiophene-2-carboxylate-->Methyl 4-bromothiophene-2-carboxylate

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