DL-Cystine
DL-Cystine (CAS: 923-32-0) is a naturally occurring amino acid, featuring a disulfide bond between two cysteine residues. Its chemical formula is HOOCCH(NH2)CH2SSCH2CH(NH2)COOH and it has a molecular weight of 240.30 g/mol. DL-Cystine plays a role in protein structure and is utilised in biochemical research and as a precursor in various synthetic applications.
- IUPAC
- (±)-3,3′-Dithiobis(2-aminopropionicacid)
- Synonyms
- (±)-3,3′-Dithiobis(2-aminopropionicacid)
Biochemical Research
Utilised in laboratory settings for studies involving amino acid metabolism, protein chemistry, and enzymatic assays. It serves as a standard or substrate in various biological research experiments.
Precursor in Synthesis
Acts as a building block in the synthesis of more complex molecules, including peptides and specialised pharmaceutical intermediates. Its disulfide bond offers unique reactive properties for chemical modification.
Nutritional Supplement Intermediate
Though not directly a supplement, it can serve as an intermediate in the production of nutritional compounds and related derivatives, contributing to specific biochemical pathways.
| Molecular weight | 240.30 |
|---|---|
| Linear formula | HOOCCH(NH2)CH2SSCH2CH(NH2)COOH |
| Solubility | 1 M HCl: soluble |
| Melting point | 227 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 DL-Cystine used for?
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DL-Cystine is used in biochemical research, as a precursor in chemical synthesis, and as an intermediate in the production of nutritional compounds. It is also studied for its role in protein structure and metabolism.
What is the CAS number and formula for DL-Cystine?
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The CAS number for DL-Cystine is 923-32-0. Its linear formula is HOOCCH(NH2)CH2SSCH2CH(NH2)COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-Cystine typically as a research or technical grade chemical. The precise assay and purity are available on the Certificate of Analysis for each batch. TSS does not represent this product as USP, BP, or EP grade unless explicitly stated.
How should DL-Cystine be handled safely?
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Handling DL-Cystine requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne dust is a concern. Consult the Safety Data Sheet for full handling protocols.
Is DL-Cystine a controlled substance?
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The provided data does not indicate that DL-Cystine is a controlled substance.
How is DL-Cystine packed, shipped, and exported?
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DL-Cystine is carefully packed to maintain its integrity during transit. Tech Serve Solutions is experienced in global export, ensuring compliance with international shipping regulations for chemicals.
How can I request a sample or quote for DL-Cystine?
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To request a sample or a quote for DL-Cystine, please use the contact form on our website or call our sales department, referencing the product CAS number 923-32-0.
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