Description

Dl-Isoleucine CAS NO 443-79-8 is a synthetic, racemic mixture of the essential branched-chain amino acid isoleucine. This compound is critical for protein synthesis and metabolic regulation, serving as a versatile building block in various industrial and nutritional applications. It is primarily utilized by manufacturers in the pharmaceutical, nutraceutical, and animal feed industries seeking a high-quality, cost-effective amino acid source for formulation and research.

Application

• Pharmaceutical Intermediates: Used as a chiral building block in the synthesis of active pharmaceutical ingredients (APIs) and peptide-based drugs.
• Dietary Supplements & Clinical Nutrition: Incorporated into amino acid infusion solutions, enteral/parenteral nutrition products, and sports nutrition formulas to support muscle protein synthesis and recovery.
• Animal Feed Additives: Enhances the nutritional profile of feed for livestock, poultry, and aquaculture to promote optimal growth and health.
• Microbiological & Cell Culture Media: Serves as a vital nitrogen source and growth factor in fermentation processes and cell culture applications.
• Biochemical Research: Employed as a standard or reagent in metabolic studies, enzyme research, and biochemical assays.
• Food Fortification: Used to fortify food products aimed at specific dietary or medical nutritional needs.

Basic Information

Product Name	Dl-Isoleucine
CAS No.	443-79-8
Molecular Formula	C6H13NO2
Molecular Weight	131.17 g/mol
Synonyms	DL-2-Amino-3-methylpentanoic acid; (±)-Isoleucine; DL-Ile; DL-α-Amino-β-methylvaleric acid; DL-Alloisoleucine; DL-iso-Leucine; DL-iso-Leu; Racemic Isoleucine
EINECS	207-139-8

Quality Control

Our Dl-Isoleucine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and nutritional applications. Certificates of Analysis (COA) detailing specifications for identity, assay, and impurities are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.5% - 101.5%
Specific Rotation	-0.10° to +0.10° (c=4 in 6N HCl)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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