Description

(5-Bromopentyl)Malonic Acid Diethyl Ester is a versatile brominated malonic ester derivative, serving as a critical bifunctional building block in advanced organic synthesis. Its molecular structure, featuring both a reactive bromoalkyl chain and a protected malonate moiety, makes it an invaluable precursor for constructing complex molecular frameworks. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to introduce functionalized pentyl chains and synthesize heterocycles or complex carboxylic acids.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing side chains and heterocyclic cores.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators requiring specific alkyl chain modifications.
• Organic Synthesis Building Block: Employed in C-alkylation reactions, cyclization processes, and the preparation of complex carboxylic acids via hydrolysis and decarboxylation of the malonate group.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialized polymers and functional materials.
• Chemical Biology Probes: Utilized in the synthesis of labeled compounds and molecular probes for biochemical research.

Basic Information

Product Name	(5-Bromopentyl)Malonic Acid Diethyl Ester
CAS No.	1906-95-2
Molecular Formula	C₁₂H₂₁BrO₄
Molecular Weight	309.20 g/mol
Synonyms	Diethyl (5-Bromopentyl)malonate; Diethyl 2-(5-Bromopentyl)malonate; Malonic acid, (5-bromopentyl)-, diethyl ester; 2-(5-Bromopentyl)malonic acid diethyl ester; Ethyl (5-bromopentyl)malonate; 1906-95-2; NSC 404058; Diethyl (5-bromopentyl)propanedioate
EINECS	217-610-5

Quality Control

Our (5-Bromopentyl)Malonic Acid Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurities is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials. The container should be kept tightly sealed to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.