Description

L-Arginine Ethylester Monohydrochloride is a chemically modified derivative of the essential amino acid L-Arginine, widely utilized as a key intermediate in peptide synthesis and pharmaceutical research. Its primary value lies in its role as a protected building block, facilitating the efficient and selective construction of complex peptide chains and bioactive molecules. This high-purity compound is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers focused on creating novel therapeutic peptides, diagnostic agents, and biochemical tools.

Application

• Peptide Synthesis Intermediate: A crucial protected amino acid derivative for solid-phase and solution-phase peptide synthesis (SPPS).
• Pharmaceutical Research: Used in the R&D of novel peptide-based drugs, hormone analogs, and enzyme inhibitors.
• Bioconjugation: Serves as a linker or spacer molecule for attaching peptides to other biomolecules, polymers, or surfaces.
• Biochemical Tool Development: Employed in the preparation of substrates, standards, and probes for enzymatic and metabolic studies.
• Cosmeceutical Actives: A potential precursor in the synthesis of peptides for anti-aging and skin-repair cosmetic formulations.
• Academic & Industrial Research: A standard reagent in chemistry and biochemistry laboratories for methodological development and compound libraries.

Basic Information

Product Name	L-Arginine Ethylester Monohydrochloride
CAS No.	33171-13-0
Molecular Formula	C8H19ClN4O2
Molecular Weight	230.71 g/mol
Synonyms	L-Arginine ethyl ester hydrochloride; Arg-OEt·HCl; H-Arg-OEt·HCl; Ethyl L-argininate hydrochloride; (S)-2-Amino-5-guanidinopentanoic acid ethyl ester hydrochloride; NG,NG'-Dimethyl-L-arginine ethyl ester hydrochloride (common misnomer); L-Arg-ethyl ester HCl; Arginine ethylester HCl
EINECS	Contact for details

Quality Control

Our L-Arginine Ethylester Monohydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and residual solvent screening, to ensure it meets the high standards required for pharmaceutical and research applications. A Certificate of Analysis (COA) detailing specific results for identity, assay, purity, and related substances is provided with every shipment.

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); the container must be kept tightly sealed in a dry environment to prevent degradation and clumping.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation	[α]D20: +18.0° to +22.0° (c=1 in H2O)
Chiral Purity	≥99.0% (L-Isomer)
Loss on Drying	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤10 ppm

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