Description

Erythro-L-Phenylserine CAS NO 32946-42-2 is a high-purity, non-proteinogenic amino acid derivative of significant interest in advanced organic synthesis. This chiral building block is valued for its role in constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of active pharmaceutical ingredients (APIs), chiral ligands, and other specialty compounds.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of β-lactam antibiotics, protease inhibitors, and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of chiral herbicides, fungicides, and plant growth regulators.
• Peptide Mimetics & Drug Discovery: Serves as a constrained amino acid analog in the design of novel peptide-based therapeutics and diagnostic agents.
• Catalyst & Ligand Preparation: Employed in the development of asymmetric catalysts and chiral auxiliaries for stereoselective transformations.
• Biochemical Research: Utilized as a substrate or inhibitor in enzymatic studies and metabolic pathway investigations.
• Fine Chemical Production: A building block for flavors, fragrances, and advanced materials requiring specific stereochemistry.

Basic Information

Product Name	Erythro-L-Phenylserine
CAS No.	32946-42-2
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	(2S,3R)-2-Amino-3-hydroxy-3-phenylpropanoic acid; L-threo-β-Phenylserine; (2S,3R)-3-Phenylisoserine; Erythro-L-β-Phenylserine; (2S,3R)-3-Phenylserine; L-(+)-threo-Phenylserine; (R*,S*)-3-Phenylserine (erythro isomer); β-Hydroxy-L-phenylalanine
EINECS	Contact for details

Quality Control

Our Erythro-L-Phenylserine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and commercial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee (Erythro-L- isomer)
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.