Names | |
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Preferred IUPAC name
2-Amino-4,5-dihydro-1,3-thiazole-4-carboxylic acid | |
Other names
ACTA
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.016.758 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C4H6N2O2S | |
Molar mass | 146.16 g·mol−1 |
Appearance | White solid |
Melting point | 212 °C (414 °F; 485 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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2-Aminothiazoline-4-carboxylic acid (ACTA) is the organosulfur compound and a heterocycle with the formula HO2CCHCH2SCNH2N. This derivative of thiazoline is an intermediate in the industrial synthesis of L-cysteine, an amino acid. ACTA exists in equilibrium with its tautomer 2-iminothiazolidine-4-carboxylic acid.
It is produced by the reaction of methyl chloroacrylate with thiourea.[1] It is also a biomarker for cyanide poisoning, as it results from the condensation of cysteine and cyanide.[2]