Description

L-Isoleucine, 2-Methyl- (9Ci) is a specialized, non-proteinogenic amino acid derivative of isoleucine, identified by CAS NO 188359-23-1. This compound is valued for its role as a key chiral building block and intermediate in advanced organic synthesis, particularly in pharmaceutical research and development. It is essential for chemists and manufacturers in the life sciences sector who require high-purity, structurally defined intermediates for creating novel active pharmaceutical ingredients (APIs), peptides, and other bioactive molecules.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the asymmetric synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Peptide Synthesis: Used in solid-phase and solution-phase peptide synthesis to incorporate modified amino acid structures into peptide chains for research and therapeutic applications.
• Biochemical Research: Serves as a standard or reagent in metabolic pathway studies, enzyme substrate investigations, and proteomics research.
• Agrochemical Development: Employed as a building block in the synthesis of novel, chiral herbicides, pesticides, and plant growth regulators.
• Fine Chemical Synthesis: A versatile intermediate for synthesizing specialty chemicals, including flavors, fragrances, and advanced materials.
• Academic & Industrial R&D: Utilized in laboratories for method development, catalysis studies, and exploring new synthetic routes.

Basic Information

Product Name	L-Isoleucine, 2-Methyl- (9Ci)
CAS No.	188359-23-1
Molecular Formula	C7H15NO2
Molecular Weight	145.20 g/mol
Synonyms	(2S,3S)-2-Amino-3-methylpentanoic acid; (2S,3S)-2-Amino-3-methylvaleric acid; L-allo-Isoleucine; L-2-Methylisoleucine; (2S,3S)-3-Methyl-2-aminopentanoic acid; 2-Methyl-L-isoleucine; allo-L-Isoleucine
EINECS	Contact for details

Quality Control

We supply L-Isoleucine, 2-Methyl- (9Ci) in high-purity grades suitable for demanding research and synthesis applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request. We adhere to strict internal quality management protocols to ensure batch-to-batch consistency and reliability.

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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent absorption of moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Specific range available on COA
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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