Description

S-Acetylcysteamine is a versatile biochemical reagent and a key intermediate in organic synthesis, valued for its thiol-protecting group and role in metabolic pathways. This compound is essential for researchers and manufacturers requiring high-purity building blocks for pharmaceuticals, peptide synthesis, and biochemical studies. It is particularly relevant for the pharmaceutical, biotechnology, and fine chemical industries involved in developing active pharmaceutical ingredients (APIs) and complex organic molecules.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs), including certain antibiotics and cysteine derivatives.
• Biochemical Research: Used as a reagent in enzymatic studies and metabolic pathway research due to its role as a precursor to coenzyme A and other biologically active thiols.
• Peptide Synthesis: Serves as a protecting group for cysteine residues during solid-phase peptide synthesis (SPPS) to prevent unwanted disulfide bond formation.
• Organic Synthesis: Employed as a versatile intermediate for introducing sulfur-containing functional groups into complex organic molecules.
• Crosslinking Agent: Can be utilized in the modification of polymers and biomaterials to introduce thiol-reactive sites.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and validation in pharmaceutical analysis.

Basic Information

Product Name	S-Acetylcysteamine
CAS No.	6197-31-5
Molecular Formula	C4H9NOS
Molecular Weight	119.18 g/mol
Synonyms	N-Acetyl-2-aminoethanethiol; N-Acetylcysteamine; 2-(Acetylamino)ethanethiol; S-Acetyl-2-mercaptoethylamine; Acetylcysteamine; Thioacetamide, N-(2-mercaptoethyl)-; Mercaptoethylacetamide; N-Acetyl-β-mercaptoethylamine
EINECS	228-268-5

Quality Control

Our S-Acetylcysteamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets high-grade specifications suitable for research and synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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