Introduction：Basic information about CAS 923-32-0|DL-Cystine, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | DL-Cystine |
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| CAS Number | 923-32-0 | Molecular Weight | 240.301 |
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| Density | 1.6±0.1 g/cm3 | Boiling Point | 468.2±45.0 °C at 760 mmHg |
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| Molecular Formula | C6H12N2O4S2 | Melting Point | 227 °C (dec.)(lit.) |
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| MSDS | ChineseUSA | Flash Point | 237.0±28.7 °C |
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Names
| Name | cystine |
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| Synonym | More Synonyms |
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DL-Cystine BiologicalActivity
| Description | DL-Cystine is a cysteine derivative[1]. |
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| Related Catalog | Research Areas >>OthersSignaling Pathways >>Others >>Others |
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| In Vitro | Amino acids and amino acid derivatives have been commercially used as ergogenic supplements. They influence the secretion of anabolic hormones, supply of fuel during exercise, mental performance during stress related tasks and prevent exercise induced muscle damage. They are recognized to be beneficial as ergogenic dietary substances[1]. |
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| References | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-807. |
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Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
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| Boiling Point | 468.2±45.0 °C at 760 mmHg |
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| Melting Point | 227 °C (dec.)(lit.) |
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| Molecular Formula | C6H12N2O4S2 |
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| Molecular Weight | 240.301 |
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| Flash Point | 237.0±28.7 °C |
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| Exact Mass | 240.023849 |
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| PSA | 177.24000 |
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| LogP | 1.23 |
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| Vapour Pressure | 0.0±2.5 mmHg at 25°C |
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| Index of Refraction | 1.653 |
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| InChIKey | LEVWYRKDKASIDU-UHFFFAOYSA-N |
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| SMILES | NC(CSSCC(N)C(=O)O)C(=O)O |
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| Hazard Codes | Xn,Xi |
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| Risk Phrases | 36/37/38-22 |
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| Safety Phrases | S37/39-S26-S24/25 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 29309014 |
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Customs
| HS Code | 2930909090 |
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| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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Synonyms
| dicysteine |
| Acide 3,3'-disulfanediylbis(2-aminopropanoïque) |
| cystine |
| DL-Cysteine-15N |
| DL-Cystine |
| 3,3'-Disulfanediylbis(2-aminopropansäure) |
| DL-CYSTINE CRYSTALLINE |
| 2-amino-3-(2-amino-2-carboxy-ethyl)disulfanyl-propanoic acid |
| meso-Cystine |
| EINECS 213-094-5 |
| 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid |
| BIS(β-AMINO-β-CARBOXYETHYL) DISULFIDE |
| MFCD00084652 |
| DL-CYSTINE,MESOFREE |
| CYSTINE (DL AND MESO-MIXTURE) |
| Bis(b-amino-β-carboxyethyl) disulfide |
| Gelucystine |
