Description

Dl-Isoleucine Ethyl Ester CAS NO 55056-62-7 is a high-purity, synthetic amino acid derivative, specifically the ethyl ester of the essential branched-chain amino acid isoleucine. This compound serves as a crucial chiral building block and intermediate in the synthesis of complex pharmaceuticals, peptides, and fine chemicals. It is primarily required by research institutions, pharmaceutical manufacturers, and specialty chemical producers for applications in drug discovery, process development, and the production of active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key chiral synthon in the asymmetric synthesis of active pharmaceutical ingredients (APIs) and therapeutic peptides.
• Biochemical Research: Used as a protected amino acid derivative in peptide coupling reactions and solid-phase peptide synthesis (SPPS).
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex organic molecules, including flavors, fragrances, and agrochemicals.
• Proteomics & Metabolomics: Employed as a standard or reagent in mass spectrometry and analytical studies of amino acid metabolism.
• Nutritional Science: Investigated for its role as a precursor or analog in studies related to amino acid supplementation and metabolism.
• Cosmetic Ingredient: Potential use in the formulation of skin-conditioning agents and bioactive cosmetic products.

Basic Information

Product Name	Dl-Isoleucine Ethyl Ester
CAS No.	55056-62-7
Molecular Formula	C8H17NO2
Molecular Weight	159.23 g/mol
Synonyms	DL-Isoleucine ethyl ester; Ethyl DL-isoleucinate; (±)-Isoleucine ethyl ester; 2-Amino-3-methylpentanoic acid ethyl ester; Ethyl 2-amino-3-methylpentanoate; Isoleucine ethyl ester, DL-; Ethyl isoleucinate; DL-2-Amino-3-methylvaleric acid ethyl ester
EINECS	Contact for details

Quality Control

Our Dl-Isoleucine Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for pharmaceutical and research applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The product is sensitive to strong alkali and organic solvents; keep away from incompatible materials. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	DL-Ratio specified on COA
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.