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HS Code |
233998 |
| Product Name | L-Cystine |
| Synonyms | L-2,2'-Dithiobis(2-aminoacetic acid) |
| Cas Number | 56-89-3 |
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.3 g/mol |
| Appearance | White crystalline powder |
| Melting Point | 247 °C (dec.) |
| Solubility In Water | Poorly soluble |
| Storage Temperature | 2-8 °C |
| Purity | ≥ 98% |
| Ec Number | 200-296-3 |
| Pka | 1.7 (carboxyl), 8.3 (amino) |
| Un Number | N/A |
| Empirical Formula | C6H12N2O4S2 |
| Identifiers | PubChem CID: 67678 |
As an accredited L-Cystine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | L-Cystine from Sigma Aldrich is supplied in a 100g white plastic bottle with a red cap and clear labeling, including hazard warnings. |
| Shipping | L-Cystine from Sigma Aldrich/Merck/TCI Chemical is shipped in sealed, airtight containers to protect against moisture and contamination. It is labeled according to regulatory guidelines, including hazard information. Standard shipping includes protective packaging to prevent damage, with temperature controls if required, and follows relevant chemical transportation regulations for safety. |
| Storage | L-Cystine should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture, heat, and incompatible substances such as strong oxidizing agents. Store at room temperature (15–25°C). Protect from excessive light and humidity. Follow standard laboratory safety protocols, and refer to the manufacturer’s Safety Data Sheet for detailed storage and handling instructions. |
Competitive L-Cystine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
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