| Identification | Back Directory | [Name]
CYSTEIC ACID | [CAS]
13100-82-8 | [Synonyms]
cysteicaci
3-Sulfoalanine
Alanine, 3-sulfo-
DL-Alanine, 3-sulfo-
CYSTEIC ACID USP/EP/BP
2-Amino-3-sulfopropionic acid
α-Amino-β-sulfopropionic acid | [EINECS(EC#)]
207-861-3 | [Molecular Formula]
C3H7NO5S | [MDL Number]
MFCD00065088 | [MOL File]
13100-82-8.mol | [Molecular Weight]
169.16 |
| Chemical Properties | Back Directory | [density ]
1.433 (estimate) | [refractive index ]
1.5130 (estimate) | [storage temp. ]
Keep in dark place,Inert atmosphere,Room temperature | [pka]
0.68±0.50(Predicted) |
| Hazard Information | Back Directory | [Uses]
3-Sulfoalanine, | [Definition]
ChEBI: An amino sulfonic acid that is the sulfonic acid analogue of cysteine. | [Purification Methods]
Likely impurities are cystine and oxides of cysteine. Crystallise the acid from water by adding 2 volumes of EtOH. It crystallises from H2O as the monohydrate. When recrystallised from aqueous MeOH it has m 264-266o, and the anhydrous acid has m ~260o(dec). [Chapeville & Formageot Biochim Biophys Acta 26 538 1957, Gortner & Hoffman J Biol Chem 72 435 1927, Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 p1908 1961.] |
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