Description

Cysteine-S-Sulfate, Monohydrate is a chemically modified derivative of the amino acid cysteine, featuring a sulfate group attached to the sulfur atom. This compound is significant for its role as a key intermediate in biochemical research and the synthesis of more complex sulfur-containing molecules. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for applications in drug discovery, metabolic studies, and as a building block for specialized peptides.

Application

• Biochemical Research Intermediate: Serves as a critical precursor in the study of sulfur metabolism and the synthesis of cysteine derivatives.
• Pharmaceutical Synthesis: Used as a building block in the development of novel drug candidates, particularly those targeting pathways involving sulfur amino acids.
• Peptide Chemistry: Employed in the synthesis of modified peptides where the cysteine-S-sulfate moiety is required for specific structural or functional properties.
• Metabolic Pathway Studies: Acts as a reference standard or tracer in research focused on cysteine and sulfate assimilation pathways.
• Fine Chemical Production: Utilized in the manufacture of specialized reagents and high-value chemicals for research and diagnostic applications.

Basic Information

Product Name	Cysteine-S-Sulfate, Monohydrate
CAS No.	210110-94-4
Molecular Formula	C3H9NO6S2 • H2O
Molecular Weight	231.24 g/mol (Monohydrate)
Synonyms	L-Cysteine-S-sulfate monohydrate; Cysteine S-sulfonic acid monohydrate; 2-Amino-3-sulfosulfanylpropanoic acid monohydrate; Cys-SO3H; Cysteine sulfonate; Thiocysteine S-sulfate
EINECS	Contact for details

Quality Control

Our Cysteine-S-Sulfate, Monohydrate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and support our products with detailed Certificates of Analysis (COA) upon request, confirming compliance with relevant in-house specifications for research and fine chemical use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 8.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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