Description

4-Carbethoxybutyrolactone, also known as γ-Carboethoxy-γ-Butyrolactone, is a versatile lactone derivative and a key chiral building block in organic synthesis. This compound matters for its role as a crucial intermediate in the production of high-value pharmaceuticals and fine chemicals, enabling complex molecular transformations. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with complex chiral centers.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, contributing to the development of more effective crop protection agents.
• Fine Chemical Production: Serves as a building block for creating specialty chemicals, flavors, fragrances, and advanced materials.
• Organic Synthesis Reagent: Employed in research and development for constructing heterocyclic compounds and other complex organic molecules.
• Chiral Auxiliary: Utilized in asymmetric synthesis to induce chirality in target molecules, a vital process for creating enantiomerically pure substances.

Basic Information

Product Name	4-Carbethoxybutyrolactone
CAS No.	1126-51-8
Molecular Formula	C7H10O4
Molecular Weight	158.15 g/mol
Synonyms	γ-Carboethoxy-γ-butyrolactone; Ethyl 4-oxotetrahydro-2-furancarboxylate; 4-(Ethoxycarbonyl)-γ-butyrolactone; 2-Oxo-5-ethoxy-5-oxopentanoic acid γ-lactone; 5-Ethoxy-5-oxo-2-pentanolide; Ethyl γ-oxo-γ-butyrolactone-4-carboxylate; 4-Carbethoxy-γ-butyrolactone; 2-Oxotetrahydrofuran-4-carboxylic acid ethyl ester
EINECS	214-417-5

Quality Control

Our 4-Carbethoxybutyrolactone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
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.