L-Cystine CAS No.:56-89-3
Category：Pharmaceutical Materials
Introduction
L-Cystine Usage： 1.For biochemical research. Prepare biological culture medium. It is used in biochemistry and nutrition research, and in medicine, it can promote the oxidation and reduction of body cells, increase white blood cells and prevent the development of pathogenic bacteria. Mainly used for various alopecia. It is also used for acute infectious diseases such as dysentery, typhoid fever, influenza, asthma, neuralgia, eczema and various toxic diseases, etc., and has the function of maintaining protein configuration. It is also used as a food flavoring agent. 2. Biochemical reagents for the preparation of biological culture media. It is also an important component of amino acid infusion and compound amino acid preparations 3. As a feed nutrient fortifier, it is beneficial to animal development, increasing body weight and liver and kidney function, and improving the quality of fur. 4. It can be used as cosmetic additives to promote wound healing, prevent skin allergies and treat eczema. L-Cystine Packaging and Shipping： 25KG/drum L-Cystine Storage： Stored in a dry and ventilated warehouse; keep away from sunshine; avoid fire; avoid moisture.
| Name | L-Cystine |
| Synonyms | Cystine L-Cystine 1-cystine Dicysteine (H-Cys-OH)2 H-(Cys)_2-OH L-Cystine,food grade 3,3′-Dithiodialanine 3,3′-dithiobis-l-alanin Alanine, 3,3′-dithiobis- (H-Cys-OH)2 (Disulfide bond) L-Cystine, synthetically derived 3,3′-dithiobis(2-aminopropanoicacid) 3,3′-Dithiobis(2-aminopropanoic acid) (-)-3,3-Dithiobis(2-aminopropionic acid) L(-)-3,3-Dithiobis(2-aminopropanoic acid) (r-(r*,r*))-3,3′-dithiobis(2-aminopropanoicacid) 3,3′-dithiobis(2-amino-,(r-(r*,r*))-propanoicaci (2R,2’S)-3,3′-disulfanediylbis(2-ammoniopropanoate) 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid |
| CAS | 56-89-3 24645-67-8 |
| EINECS | 200-296-3 |
| InChI | InChI=1/C3H6NO2S3/c5-3(6)2(4-7)1-9-8/h2H,1,4H2,(H,5,6) |
| InChIKey | LEVWYRKDKASIDU-IMJSIDKUSA-N |
| Molecular Formula | C6H12N2O4S2 |
| Molar Mass | 240.3 |
| Density | 1.68 |
| Melting Point | >240 °C (dec.) (lit.) |
| Boling Point | 468.2±45.0 °C(Predicted) |
| Specific Rotation(α) | -224 º(c=2 in 1M HCl) |
| Water Solubility | 0.112 g/L (25 ºC) |
| Solubility | Very slightly soluble in water; insoluble in ethanol and other organic solvents, easily soluble in dilute acids and alkaline liquids, and easily decomposed in hot lye |
| Appearance | White crystal |
| Color | White |
| Merck | 14,2782 |
| BRN | 1728094 |
| pKa | 1.0, 2.1, 8.02, 8.71(at 25℃) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Sensitive to light |
| Refractive Index | -222.5 ° (C=1, 1mol/ |
| MDL | MFCD00064228 |
| Physical and Chemical Properties | Properties white hexagonal plate-like crystals or white crystalline powder.
soluble in dilute acid and alkali solution, extremely difficult to dissolve in water, insoluble in ethanol. |
| Use | Used in medicine, food, cosmetics and other industries |
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