Description

(S)-4-Amino-4-Phenyl-Butyric Acid Hydrochloride is a high-purity chiral building block and pharmaceutical intermediate. This compound is valued for its role in the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily required by research institutions and manufacturers in the pharmaceutical, biotechnology, and advanced organic synthesis sectors.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the development and production of central nervous system (CNS) drugs, enzyme inhibitors, and other therapeutic agents.
• Asymmetric Synthesis: Used as a starting material or chiral auxiliary in stereoselective organic synthesis to construct complex molecular architectures.
• Biochemical Research: Employed in proteomics and enzymology research as a substrate or inhibitor for studying enzyme mechanisms.
• Peptide Mimetics: Serves as a constrained amino acid analog in the design and synthesis of novel peptide-based compounds.
• Reference Standard: Utilized as a certified reference material (CRM) for analytical method development and quality control in pharmaceutical laboratories.

Basic Information

Product Name	(S)-4-Amino-4-Phenyl-Butyric Acid Hydrochloride
CAS No.	56523-54-7
Molecular Formula	C10H14ClNO2
Molecular Weight	215.68 g/mol
Synonyms	(S)-4-Amino-4-phenylbutanoic acid hydrochloride; (S)-4-Phenyl-4-aminobutyric acid HCl; (S)-γ-Amino-γ-phenylbutyric acid hydrochloride; (S)-APB hydrochloride; (3S)-4-Amino-4-phenylbutanoic acid hydrochloride; (S)-4-Amino-4-phenylbutyrate hydrochloride; L-4-Amino-4-phenylbutyric acid hydrochloride
EINECS	Contact for details

Quality Control

Our (S)-4-Amino-4-Phenyl-Butyric Acid Hydrochloride is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the stringent requirements for pharmaceutical R&D and production. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

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) and must be kept under dry, inert conditions to maintain stability and purity.

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
Water Content (KF)	≤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.