L-Cysteinesulfinic acid monohydrate
L-Cysteinesulfinic acid monohydrate (CAS: 207121-48-0), with the formula HO2SCH2CH(NH2)CO2H·H2O and a molecular weight of 171.17 g/mol, is a derivative of the amino acid cysteine. This white crystalline solid is valuable in chemical biology and synthesis. Its specific optical activity and defined purity make it a key reagent for researchers in peptide chemistry and for synthesising unnatural amino acid derivatives.
- IUPAC
- 3-sulfino-L-alanine
- Synonyms
- 3-sulfino-L-alanine
Chemical Biology Research
Utilised as a biological probe or building block in studies involving cysteine metabolism or related pathways. Its unique sulfinic acid functional group offers distinct chemical reactivity for targeted investigations.
Organic Synthesis Intermediate
Serves as a precursor in the synthesis of more complex molecules, including modified peptides and unnatural amino acids. Its structure allows for diverse derivatisation in organic chemistry.
Peptide and Protein Chemistry
Incorporated into synthetic peptides to investigate the role of sulfinic acid-containing residues or to create novel peptide structures with altered properties.
Development of Unnatural Amino Acids
A key component in the creation of non-proteinogenic amino acids for applications in drug discovery and biochemical research.
| Molecular weight | 171.17 |
|---|---|
| Linear formula | HO2SCH2CH(NH2)CO2H·H2O |
| Assay | 99% |
| Optical activity | [α]25/D +24°, c = 1 in 1 M HCl |
| Storage temperature | 2-8°C |
| Melting point | 163 °C (dec.)(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Cysteinesulfinic acid monohydrate used for?
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L-Cysteinesulfinic acid monohydrate is used in chemical biology research, organic synthesis, peptide chemistry, and for the development of unnatural amino acid derivatives. It serves as a valuable building block and intermediate in these scientific fields.
What are the CAS number and chemical formula for L-Cysteinesulfinic acid monohydrate?
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The CAS number for L-Cysteinesulfinic acid monohydrate is 207121-48-0. Its chemical formula is HO2SCH2CH(NH2)CO2H·H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Cysteinesulfinic acid monohydrate with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
How should L-Cysteinesulfinic acid monohydrate be handled and stored?
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This compound is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Store at 2-8°C.
Is L-Cysteinesulfinic acid monohydrate a controlled substance?
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The provided data does not indicate that L-Cysteinesulfinic acid monohydrate is a controlled substance.
How can I request a sample or quote for L-Cysteinesulfinic acid monohydrate?
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To request a sample or a quotation, please use the 'Enquire' or 'Quote' button on our website, or contact our sales team directly with your requirements.
How is L-Cysteinesulfinic acid monohydrate packed, shipped, and exported?
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L-Cysteinesulfinic acid monohydrate is carefully packed according to industry standards to ensure safe transport. Tech Serve Solutions is an experienced global exporter of fine chemicals.
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