L-Cystine(CAS: 56-89-3)

CAS Number
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Basic Information
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.31 g/mol
Physical Properties
Melting Point
>240 °C (dec.) (lit.)
Boiling Point
468.2±45.0℃ at 760 mmHg
Flash Point
237.0±28.7 °C
Water Solubility
0.112G/L(25ºC)
Chemical Identifiers
SMILES
N[C@@H](CSSC[C@H](N)C(=O)O)C(=O)O
InChIKey
LEVWYRKDKASIDU-IMJSIDKUSA-N
Database References
MDL Number
MFCD00064228
Beilstein Registry Number
1728094
FAQ
L-Cystine is a disulfide derivative of the amino acid cysteine, with the chemical formula C₃H₈N₂O₂S₂. It is a white crystalline solid that is soluble in water and has a slightly acidic pH. L-Cystine is commonly found in proteins and plays a role in maintaining structural integrity. It is also used as a nutritional supplement and is a key component in the synthesis of other compounds. Its CAS number is 56-89-3, which helps in identifying its chemical structure and properties in scientific databases.
L-Cystine is primarily used in pharmaceuticals as an antioxidant and in the treatment of certain skin conditions. It also serves as a nutritional supplement, especially in veterinary medicine. In the food industry, it functions as a dietary supplement and is used in animal feed. Additionally, it is employed in research for studying protein structures and in the production of other sulfur-containing compounds. Its CAS number, 56-89-3, is essential for accurate identification and application in various fields.
L-Cystine is generally considered safe when used in recommended amounts. It is non-toxic and well-tolerated in most applications. However, handling precautions should be taken to avoid inhalation or skin contact, especially in industrial settings. Proper protective equipment, such as gloves and masks, is advised. Safety standards ensure its controlled use in pharmaceuticals and food products. Its CAS number, 56-89-3, is used to monitor its safe handling and regulatory compliance.
L-Cystine should be stored in a cool, dry, and dark place to maintain its stability. It is best kept in a sealed container away from moisture and light to prevent degradation. Storage temperatures should not exceed 25°C to avoid any chemical changes. Proper ventilation is necessary when handling in bulk. Its CAS number, 56-89-3, ensures accurate identification for storage and handling protocols.
Safety Notice
Please verify product specifications and safety data before use. Contact the supplier for detailed safety information.
Always follow proper handling procedures
Contact Information
Contact Person
Liu Yiyuan
liuyy@hansytech.com



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