Cysteic acid
CAS 498-40-8
EC 207-861-3
Formula C3H7NO5S
MW 169.16 g/mol
Amino Acids & Peptides Pharmaceuticals & HealthcareFood & NutritionBiotechnology & Life Sciences Flavoring & Acidulant
Description
Cysteic acid (CAS 498-40-8) is a sulfonic acid-derived amino acid produced through the oxidation of cysteine. It is also referenced under the names L-Cysteic Acid and NSC 254030. No E-code designation applies to this substance.
In pharmaceutical research, cysteic acid acts as an excitatory neurotransmitter agonist at glutamate receptors, making it a reference compound in neurochemical studies. In food applications, it functions as an acidulant and flavor modifier, contributing sour and savory notes through its ionic interaction with taste receptors. It is also used in biotechnology as a biochemical standard for amino acid analysis.
Cysteic acid is supplied as a crystalline powder suitable for research, food-grade, and pharmaceutical-grade applications. Procurement should confirm compliance with REACH registration requirements under EC 207-861-3. The substance is classified under HS code 2930909899 for European customs purposes.
In pharmaceutical research, cysteic acid acts as an excitatory neurotransmitter agonist at glutamate receptors, making it a reference compound in neurochemical studies. In food applications, it functions as an acidulant and flavor modifier, contributing sour and savory notes through its ionic interaction with taste receptors. It is also used in biotechnology as a biochemical standard for amino acid analysis.
Cysteic acid is supplied as a crystalline powder suitable for research, food-grade, and pharmaceutical-grade applications. Procurement should confirm compliance with REACH registration requirements under EC 207-861-3. The substance is classified under HS code 2930909899 for European customs purposes.
Physical Properties
| Melting Point | >300 °C (decomp) |
| Density | 1.775±0.06 g/cm3(Predicted) |
| Color | White to off-white |
| Form | Powder or Crystalline Powder |
| Water Solubility | almost transparency |
| Refractive Index | 8 ° (C=5, H2O) |
Trade & Regulatory
| HS Code | 2930909899 |
Other Names
L-Cysteic AcidCysteinesulfonic Acid(2R)-2-amino-3-sulfopropanoic acidCysteicacidCYSTEIC ACID, L-3-Sulfo-L-alanineCysteinesulfonate
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