Description

5-Bromo-β-Oxo-2-Thiophenepropanoic Acid Methyl Ester is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound matters as a key intermediate in the development of novel pharmaceuticals and functional materials, offering a reactive scaffold for further chemical modifications. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating complex target molecules.

Application

• As a critical pharmaceutical intermediate in the synthesis of active pharmaceutical ingredients (APIs) with potential therapeutic activity.
• Utilized in agrochemical research for the development of new herbicides, fungicides, or insecticides.
• Serves as a specialized building block in organic and medicinal chemistry for constructing complex thiophene-containing heterocycles.
• Used in material science for the synthesis of novel organic electronic materials or functional polymers.
• Acts as a precursor in fine chemical synthesis for producing customized compounds for research and development.

Basic Information

Product Name	5-Bromo-β-Oxo-2-Thiophenepropanoic Acid Methyl Ester
CAS No.	137090-42-7
Molecular Formula	C8H7BrO3S
Molecular Weight	263.11 g/mol
Synonyms	Methyl 5-Bromo-3-oxo-2-(thiophen-2-yl)propanoate; 2-Thiophenepropanoic acid, 5-bromo-β-oxo-, methyl ester; Methyl 5-bromo-3-oxo-2-(2-thienyl)propionate; 5-Bromo-3-oxo-2-(thiophen-2-yl)propionic acid methyl ester; 5-Bromo-β-oxo-2-thiophenepropionic acid methyl ester; 137090-42-7; 5-Bromo-2-thienyl pyruvate methyl ester
EINECS	Contact for details

Quality Control

Our 5-Bromo-β-Oxo-2-Thiophenepropanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible materials. Handle and store in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.