Cysteic acid
- CAS NO.：13100-82-8
- Empirical Formula: C3H7NO5S
- Molecular Weight: 169.16
- MDL number: MFCD00065088
- EINECS: 207-861-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:01
What is Cysteic acid?
The Uses of Cysteic acid
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.]
Properties of Cysteic acid
| 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) |
Safety information for Cysteic acid
Computed Descriptors for Cysteic acid
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