Description

S-Sulfo-L-Cysteine Sodium Salt is a chemically modified derivative of the amino acid L-cysteine, featuring a sulfonate group. This modification significantly enhances its water solubility and stability, making it a valuable biochemical reagent and pharmaceutical intermediate. It is primarily utilized in research and development within the life sciences sector, as well as in the synthesis of specialized compounds. Our high-purity grade ensures reliable performance and consistent results for critical applications.

Application

• Biochemical Research: Used as a substrate or precursor in enzymatic studies and metabolic pathway investigations.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Cell Culture Media: Acts as a source of organic sulfur and a stabilizing agent in specialized cell culture formulations.
• Peptide Synthesis: Employed in the production of modified peptides where enhanced solubility or specific chemical properties are required.
• Antioxidant Studies: Investigated for its potential role in redox biology and as a model compound in antioxidant research.
• Diagnostic Reagents: Used in the formulation of specific diagnostic kits and assays.

Basic Information

Product Name	S-Sulfo-L-Cysteine Sodium Salt
CAS No.	1637-71-4
Molecular Formula	C3H6NNaO5S2
Molecular Weight	223.20 g/mol
Synonyms	L-Cysteine S-sulfate sodium salt; Sodium S-sulfo-L-cysteine; (R)-2-Amino-3-sulfosulfanyl-propanoic acid sodium salt; 3-Sulfosulfanyl-L-alanine sodium salt; Cysteine S-sulfonate sodium salt; NSC 113236; S-Sulfocysteine sodium salt
EINECS	Contact for details

Quality Control

Our S-Sulfo-L-Cysteine Sodium Salt is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles. We adhere to relevant industry standards to support your research and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to maintain stability and prevent clumping. For long-term storage, consider using a desiccator.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	Contact for details

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