L-Cystine CAS#: 56-89-3; ChemWhat Code: 82477
Names & Identifiers |
| Product Name | L-Cystine |
| Synonyms | (r-(r*,r*))-3,3’-dithiobis(2-aminopropanoicacid);1-cystine;3,3’-dithiobis(2-amino-,(r-(r*,r*))-propanoicaci;3,3’-dithiobis(2-aminopropanoicacid);3,3’-dithiobis-l-alanin;3,3′-Dithiobis(2-aminopropanoic acid);3,3′-Dithiodialanine;Alanine, 3,3′-dithiobis- |
| CAS Registry Number | 56-89-3 |
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.3 |
| EINECS | 200-296-3 |
| Other Registry Numbers | ; |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | >240 °C (dec.)(lit.) |
| alpha | -224 º(c=2 in 1M HCl) |
| Density | 1.68 |
| Refractive Index | -222.5 ° (C=1, 1mol/L HCl) |
| Storage | Store at RT. |
| Solubulity | 1 M HCl: 100 mg/mL |
| form | Powder/Solid |
| pka | 1.0, 2.1, 8.02, 8.71(at 25℃) |
| Color | White |
| Water Solubility | 0.112 g/L (25 ºC) |
| Merck | 14,2782 |
| BRN | 1728094 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | L-Cystine(56-89-3) |
| EPA Substance Registry System | L-Cystine(56-89-3) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xi,Xn |
| R Phrase | 36/37/38-22 |
| S Phrase | 26-36-24/25 |
| RIDADR | 2811 |
| WGK Germany | 3 |
| RTECS | HA2690000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| Packing Group | III |
| HS Code | 29309014 |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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