Description

n-Octadecanoyl-D-Alanine is a high-purity, chiral fatty acid-amino acid conjugate, also known as stearoyl-D-alanine. This compound is valued for its role as a sophisticated building block and chiral auxiliary in advanced organic synthesis and pharmaceutical research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of peptide mimetics, prodrugs, and active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• Bioconjugation & Prodrug Design: Used to modify peptides, proteins, or drug molecules to enhance lipophilicity, membrane permeability, or controlled release profiles.
• Surfactant & Emulsifier Research: Acts as a model compound for studying the properties of amino acid-based surfactants, which are valued for their biocompatibility and mildness.
• Material Science: Employed in the development of self-assembling molecular structures, hydrogels, and advanced polymers due to its amphiphilic nature.
• Agrochemical Synthesis: Functions as a chiral precursor in the creation of enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Biochemical Research: Utilized as a substrate or inhibitor in enzymatic studies, particularly those involving lipases or proteases.

Basic Information

Product Name	n-Octadecanoyl-D-Alanine
CAS No.	886202-59-1
Molecular Formula	C₂₁H₄₁NO₃
Molecular Weight	355.56 g/mol
Synonyms	Stearoyl-D-alanine; D-Alanine, N-octadecanoyl-; N-Stearoyl-D-alanine; Octadecanoyl-D-alanine; (R)-2-Octadecanamidopropanoic acid; D-Stearoylalanine; N-(1-Oxooctadecyl)-D-alanine; Fatty acid-amino acid conjugate
EINECS	Contact for details

Quality Control

Our n-Octadecanoyl-D-Alanine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccant or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (D-isomer)
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

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