Hypotaurine

Hypotaurine
Names


IUPAC name 2-Aminoethanesulfinic acid
Identifiers
CAS Number	300-84-5^Y
3D model (Jmol)	Interactive image
ChEBI	CHEBI:57853^Y
ChemSpider	96959^Y
ECHA InfoCard	100.155.825
KEGG	C00519^Y
PubChem	107812
UNII	5L08GE4332^Y
InChI InChI=1S/C2H7NO2S/c3-1-2-6(4)5/h1-3H2,(H,4,5)^Y Key: VVIUBCNYACGLLV-UHFFFAOYSA-N^Y InChI=1/C2H7NO2S/c3-1-2-6(4)5/h1-3H2,(H,4,5) Key: VVIUBCNYACGLLV-UHFFFAOYAM
SMILES O=S(O)CCN
Properties
Chemical formula	C₂H₇NO₂S
Molar mass	109.15 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references

Hypotaurine is a sulfinic acid that is an intermediate in the biosynthesis of taurine. Like taurine, it also acts as an endogenous neurotransmitter via action on the glycine receptors.^[1]

References

↑ Kalir, Asher; Kalir, Henry H. "Biological activity of sulfinic acid derivatives" in Chemistry of Sulphinic Acids, Esters Their Derivatives Edited by Patai, Saul. Wiley, New York, 1990, pp. 665.

Neurotransmitters

Amino acid-derived	Major excitatory/inhibitory systems: Glutamate system: Agmatine Aspartic acid (aspartate) Cycloserine Glutamic acid (glutamate) Glutathione Glycine GSNO GSSG Kynurenic acid NAA NAAG Proline Serine; GABA system: GABA GABOB GHB; Glycine system: α-Alanine β-Alanine Glycine Hypotaurine Proline Sarcosine Serine Taurine; GHB system: GHB T-HCA (GHC) Biogenic amines: Monoamines: 6-OHM Dopamine Epinephrine (adrenaline) NAS (normelatonin) Norepinephrine (noradrenaline) Serotonin (5-HT); Trace amines: 3-Iodothyronamine N-Methylphenethylamine N-Methyltryptamine m-Octopamine p-Octopamine Phenylethanolamine Phenethylamine Synephrine Tryptamine m-Tyramine p-Tyramine; Others: Histamine Neuropeptides: See here instead.

Lipid-derived	Endocannabinoids: 2-AG 2-AGE (noladin ether) 2-ALPI 2-OG AA-5-HT Anandamide (AEA) DEA LPI NADA NAGly OEA Oleamide PEA RVD-Hpα SEA Virodhamine (O-AEA) Neurosteroids: See here instead.

Nucleobase-derived	Nucleosides: Adenosine system: Adenosine ADP AMP ATP

Vitamin-derived	Cholinergic system: Acetylcholine

Miscellaneous	Gasotransmitters: Carbon monoxide (CO) Hydrogen sulfide (H₂S) Nitric oxide (NO); Candidates: Acetaldehyde Ammonia (NH₃) Carbonyl sulfide (COS) Nitrous oxide (N₂O) Sulfur dioxide (SO₂)

Antagonists: 2-Aminostrychnine
2-Nitrostrychnine
4-Phenyl-4-formyl-N-methylpiperidine
αEMBTL
Bicuculline
Brucine
Cacotheline
Caffeine
Colchicine
Colubrine
Cyanotriphenylborate
Dendrobine
Diaboline
Endocannabinoids (e.g., 2-AG, anandamide (AEA))
Gaboxadol (THIP)
Gelsemine
iso-THAZ
Isobutyric acid
Isonipecotic acid
Isostrychnine
Laudanosine
N-Methylbicuculline
N-Methylstrychnine
N,N-Dimethylmuscimol
Nipecotic acid
Pitrazepin
Pseudostrychnine
Quinolines (e.g., 4-hydroxyquinoline, 4-hydroxyquinoline-3-carboxylic acid, 5,7-CIQA, 7-CIQ, 7-TFQ, 7-TFQA)
RU-5135
Sinomenine
Strychnine
Thiocolchicoside
Tutin

GlyT1	ACPPB ALX-1393 ALX-5407 (NFPS) AMG-747 ASP2535 Bitopertin (RG1678/RO4917838) CP-802079 Ethanol Glycyldodecylamide GSK1018921 LY-2365109 Org 24598 Org 25935 (SCH-900435) PF-02545920 PF-03463275 PF-04958242 Sarcosine SSR-103,800 SSR-504,734

GlyT2	Amoxapine Ethanol NAGly Org 25543

Others

See also: GABAergics • GHBergics • Glutamatergics

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