Homocysteic acid is the organosulfur compound with the formula HO3SCH2CH2CH(NH2)CO2H. A white solid, it is sulfonic acid-containing non-proteinogenic amino acid. It is aanalog of glutamic acid and is a potent NMDA receptor agonist.[1][2] It is related to homocysteine, a by-product of methionine metabolism.
L-Homocysteic acid
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Names | |
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IUPAC name
(2S)-2-Amino-4-sulfobutanoic acid
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Other names
Homocysteate
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Identifiers | |
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3D model (JSmol)
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ChEBI |
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PubChem CID
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Properties | |
C4H9NO5S | |
Molar mass | 183.18 g·mol−1 |
Appearance | white or colorless solid |
Melting point | 261 °C (502 °F; 534 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Homocysteic acid is prepared by the oxidation of homocystine with aqueous bromine.[3]