L-Cystine, 99%+
Buy L-Cystine, 99%+ (CAS 56-89-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity ≥99%. Packs from 25 g.
About L-Cystine, 99%+
Researchers and plant chemists source L-Cystine, 99%+ from Zemixal for routine and specialised work. For your records (Biochemistry), the material is defined by CAS 56-89-3, formula C6H12N2O4S2 and molar mass 240.3 g/mol. It is described as solid.
Where it is used
- Peptide synthesis
- Cell culture media
- Biochemical research
- Pharmaceutical synthesis
Safe handling
Reported physical data: melting point >240 °C. No GHS classification is recorded for this item, but handle it with normal laboratory care.
Available as 25 g, 100 g, 500 g, 1 kg and 4 x 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Peptide synthesis
- Cell culture media
- Biochemical research
- Pharmaceutical synthesis
Applications
Specifications and identifiers
| Product name | L-Cystine, 99%+ |
|---|---|
| Catalogue number | ZX-002127 |
| CAS number | 56-89-3 |
| IUPAC name | (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid |
| Molecular formula | C6H12N2O4S2 |
| Molar mass | 240.3 g/mol |
| Exact mass | 240.0238 |
| Grade | Biochemistry |
| Purity / assay | ≥99% |
| Physical form | Solid |
| Appearance | Solid |
| Melting point | >240 °C |
| XLogP3 | -6.3 |
| H-bond donors / acceptors | 4 / 8 |
| Topological polar surface area | 177 Ų |
| HS code | 29309040 |
| InChIKey | LEVWYRKDKASIDU-IMJSIDKUSA-N |
| SMILES | C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N |
| PubChem CID | 67678 |
| Synonyms | (R,R)-3,3′-Dithiobis(2-aminopropionicacid), cystine, L-Dicysteine, beta,beta'-Dithiodialanine, L-Cysteine disulfide, 1-Cystine, Cystine, L-, Dicysteine, Cystine (L)-, Cystine acid, Cysteine disulfide, Cystin |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about L-Cystine, 99%+
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Other grades with CAS 56-89-3
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