Description

D-Alloisoleucine, 2-Methyl- (9Ci) CAS NO 188359-24-2 is a specialized, non-proteinogenic amino acid derivative, a stereoisomer of isoleucine. This high-purity chiral building block is critical for advanced pharmaceutical research and fine chemical synthesis, where precise stereochemistry is paramount. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and agrochemical sectors for developing novel active ingredients and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of peptide-based drugs, enzyme inhibitors, and other bioactive compounds.
• Biochemical Research: Used as a standard or reagent in metabolic pathway studies, enzyme-substrate interaction analysis, and nutritional science.
• Peptide Synthesis: Serves as a protected or unprotected amino acid building block in solid-phase and solution-phase peptide synthesis for creating custom sequences.
• Agrochemical Development: Employed in the synthesis of chiral herbicides, pesticides, and plant growth regulators to enhance efficacy and selectivity.
• Diagnostic Reagents: A potential component in the formulation of specialized diagnostic kits and assays for clinical and research laboratories.
• Fine Chemical Synthesis: Acts as a versatile starting material or intermediate in asymmetric synthesis for creating complex, high-value organic molecules.

Basic Information

Product Name	D-Alloisoleucine, 2-Methyl- (9Ci)
CAS No.	188359-24-2
Molecular Formula	C7H15NO2
Molecular Weight	145.20 g/mol
Synonyms	D-2-Methylalloisoleucine; (2R,3S)-2-Amino-3-methylpentanoic acid; D-α-Amino-β-methylvaleric acid; D-erythro-Isoleucine; D-allo-Isoleucine; (2R,3S)-2-Amino-3-methylvaleric acid; D-three-Isoleucine (deprecated); D-2-Amino-3-methylpentanoic acid
EINECS	Contact for details

Quality Control

Our D-Alloisoleucine, 2-Methyl- (9Ci) is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets exacting standards for research and synthesis. A detailed Certificate of Analysis (COA) providing identity, purity, and impurity profile is supplied with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% de
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Specific Rotation	Contact for details

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