Description

3-Amino-2-Mercaptopropionic Acid is a versatile bifunctional organic compound containing both amino and thiol (mercapto) groups on a short propionic acid backbone. This unique structure makes it a valuable intermediate for synthesizing more complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is essential for researchers and manufacturers developing cysteine analogs, peptide mimetics, and chelating agents. The compound is supplied as a high-purity material suitable for demanding applications.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of cysteine derivatives, peptide-based drugs, and enzyme inhibitors.
• Bioconjugation & Protein Modification: Utilized in bioconjugation chemistry due to its reactive thiol group for attaching labels, drugs, or polymers to biomolecules.
• Research Chemical: Serves as a precursor in organic synthesis and medicinal chemistry research for creating novel compounds with potential biological activity.
• Chelating Agent Synthesis: Used to develop ligands and chelating agents for metal ions in analytical or industrial processes.
• Fine Chemical Production: Intermediate in the manufacture of specialty chemicals, including flavors, fragrances, and advanced materials.

Basic Information

Product Name	3-Amino-2-Mercaptopropionic Acid
CAS No.	17617-04-8
Molecular Formula	C₃H₇NO₂S
Molecular Weight	121.16 g/mol
Synonyms	2-Mercapto-3-aminopropanoic Acid; 3-Amino-2-sulfanylpropanoic Acid; β-Amino-β-mercaptopropionic Acid; 2-Thiol-3-aminopropionic Acid; 3-Amino-2-thiopropionic Acid; 2-Mercaptoalanine; 3-Amino-2-mercaptopropanoic Acid
EINECS	241-580-9

Quality Control

Our 3-Amino-2-Mercaptopropionic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the high standards required for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability and to minimize degradation.

Specification

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