D-Cysteine
D-Cysteine (CAS: 921-01-7, C3H7NO2S, MW: 121.16) is a non-essential amino acid derivative and a chiral building block. It is a key component in peptide synthesis and chemical biology research due to its thiol group. Supplied by Tech Serve Solutions with an assay of ≥99% (RT), D-Cysteine serves as a valuable reagent in various chemical synthesis applications and biochemical studies.
- IUPAC
- (S)-2-Amino-3-mercaptopropionic acid
Peptide Synthesis
D-Cysteine is utilised as a chiral building block in the synthesis of peptides and peptidomimetics. Its thiol group can be involved in disulfide bond formation or other sulfur-based reactions crucial for peptide structure and function.
Chemical Biology
This compound is employed in chemical biology research to investigate biological processes. It can be used as a substrate or modifier in enzymatic assays or to probe protein interactions.
Chemical Synthesis
D-Cysteine acts as a versatile intermediate in the synthesis of complex organic molecules and pharmaceutical compounds. Its specific stereochemistry and functional groups make it valuable for creating chiral targets.
| Molecular weight | 121.16 |
|---|---|
| Empirical formula | C3H7NO2S |
| Assay | ≥99% (RT) |
| Optical activity | [α]20/D −7.6±1.0°, c = 5% in 5 M HCl |
| Melting point | ~230 °C (dec.) |
Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 D-Cysteine used for?
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D-Cysteine is used in peptide synthesis, chemical biology research, and as an intermediate in chemical synthesis. Its chiral nature and thiol group are key features for these applications.
What are the CAS number and formula for D-Cysteine?
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The CAS number for D-Cysteine is 921-01-7, and its molecular formula is C3H7NO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies D-Cysteine with an assay of ≥99% (RT). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should D-Cysteine be handled safely?
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D-Cysteine is classified as harmful if swallowed (H302) and requires appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves. Handle in a well-ventilated area.
Is D-Cysteine a controlled substance?
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The provided data does not indicate that D-Cysteine is a controlled substance.
How is D-Cysteine packed and shipped?
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D-Cysteine is packed according to industry standards to ensure safe transit. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant shipping regulations.
How can I request a sample or quote for D-Cysteine?
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To request a sample or quote for D-Cysteine, please contact our sales team through the website or by phone, providing your specific requirements.
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