Description

L-Cysteinesulfinic Acid Monohydrate is a key sulfur-containing amino acid derivative, serving as a crucial biosynthetic precursor and metabolic intermediate. This compound is valued for its role in the synthesis of essential biomolecules and as a research tool in biochemical pathways. It is primarily utilized by researchers and manufacturers in the pharmaceutical, nutraceutical, and life science industries for applications ranging from metabolic studies to advanced material synthesis.

Application

• Biochemical Research: Used as a critical precursor in the study of taurine and coenzyme A biosynthesis pathways.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Nutraceutical Development: Investigated for its potential role in formulations targeting cellular antioxidant defense systems.
• Enzymology Studies: Acts as a substrate or modulator for enzymes like cysteine dioxygenase in metabolic research.
• Cell Culture Media: Employed as a specialized component in defined media for specific cell line studies.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	L-Cysteinesulfinic Acid Monohydrate
CAS No.	207121-48-0
Molecular Formula	C3H7NO5S
Molecular Weight	169.16 g/mol (Anhydrous Basis)
Synonyms	L-Cysteine sulfinic acid monohydrate; (R)-2-Amino-3-sulfinopropanoic acid monohydrate; 3-Sulfino-L-alanine monohydrate; L-3-Sulfinoalanine monohydrate; Cysteinesulfinate; CSA; Cysteine sulfinic acid
EINECS	Contact for details

Quality Control

Our L-Cysteinesulfinic Acid Monohydrate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory compliance 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). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption and degradation. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	[α]20/D: Specific range provided on COA
Water Content (KF)	Theoretical or typical range provided on COA
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.