Description

D,L-Tryptophan Methyl Ester Hydrochloride is a protected derivative of the essential amino acid tryptophan, widely utilized as a key chiral building block in organic synthesis. Its primary value lies in providing a versatile intermediate for constructing complex molecules, particularly in pharmaceutical research and development. This compound is essential for scientists and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require high-purity intermediates for peptide synthesis and medicinal chemistry.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of novel drug candidates, including peptide-based therapeutics and small molecule APIs.
• Peptide Synthesis: Used in solid-phase and solution-phase peptide synthesis as a protected tryptophan residue to prevent side reactions during coupling.
• Biochemical Research: Serves as a precursor or standard in metabolic pathway studies and enzyme inhibition assays.
• Asymmetric Synthesis: Employed in the preparation of enantiomerically pure compounds for agrochemicals and advanced materials.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	D,L-Tryptophan Methyl Ester Hydrochloride
CAS No.	5619-09-0
Molecular Formula	C13H17ClN2O2
Molecular Weight	268.74 g/mol
Synonyms	DL-Tryptophan methyl ester hydrochloride; Methyl DL-tryptophanate hydrochloride; Tryptophan methyl ester HCl, DL-; (±)-Tryptophan methyl ester hydrochloride; Methyl 2-amino-3-(1H-indol-3-yl)propanoate hydrochloride; H-DL-Trp-OMe·HCl; DL-α-Amino-1H-indole-3-propanoic acid methyl ester hydrochloride
EINECS	Contact for details

Quality Control

Our D,L-Tryptophan Methyl Ester Hydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided and available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept tightly sealed in a dry environment to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Purity (Chiral HPLC)	DL-Racemate
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.