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H9633

Sigma-Aldrich

L-Homocysteic acid

≥98% (TLC)

Synonyme(s) :

L-2-Amino-4-sulfobutyric acid

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About This Item

Formule empirique (notation de Hill):
C4H9NO5S
Numéro CAS:
14857-77-3
Poids moléculaire :
183.18
Numéro MDL:
MFCD00066018
Code UNSPSC :
12352106
ID de substance PubChem :
24895863
Nomenclature NACRES :
NA.32

product name

L-Homocysteic acid, ≥95%

Pureté

≥95%
≥98% (TLC)

Forme

powder

Couleur

white to off-white

Application(s)

cell analysis

Chaîne SMILES 

N[C@@H](CCS(O)(=O)=O)C(O)=O

InChI

1S/C4H9NO5S/c5-3(4(6)7)1-2-11(8,9)10/h3H,1-2,5H2,(H,6,7)(H,8,9,10)/t3-/m0/s1

Clé InChI

VBOQYPQEPHKASR-VKHMYHEASA-N

Application

L-Homocysteic acid has been used to study hydrogen peroxide-mediated changes in physiological and pathological conditions in the nervous system.

Actions biochimiques/physiologiques

L-Homocysteic acid (L-HCA) is an endogenous neurotransmitter ligand of NMDA (N-methyl-D-aspartate) receptors. It is an analog of glutamate and competitively suppresses glutamate-cystine (xc-) antiporter function in neurons, causing decrease in cysteine uptake.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

M Piraud et al.
Rapid communications in mass spectrometry : RCM, 19(22), 3287-3297 (2005-10-20)
Seventy-six compounds of biological interest for the diagnosis of inherited disorders of amino acids (AA) metabolism have previously been demonstrated to be detectable in positive mode electrospray ionisation tandem mass spectrometry (ESI-MS/MS), after separation by ion-pairing reversed-phase liquid chromatography (RPLC).
Hari H Subramanian et al.
The Journal of comparative neurology, 526(2), 229-242 (2017-09-07)
The nucleus retroambiguus (NRA) is a neuronal cell group in the medullary ventrolateral tegmentum, rostrocaudally between the obex and the first cervical spinal segment. NRA neurons are premotor interneurons with direct projections to the motoneurons of soft palate, pharynx, and
Itopa E Ajayi et al.
Respiratory physiology & neurobiology, 252-253, 18-27 (2018-03-20)
Changes in cardiorespiratory control accompany the expression of complex emotions, indicative of limbic brain inputs onto bulbar autonomic pathways. Previous studies have focussed on the role of the prefrontal cortex in autonomic regulation. However, the role of the hippocampus, also
J W Olney et al.
Brain research bulletin, 19(5), 597-602 (1987-11-01)
L-Homocysteic acid (L-HCA) has been proposed as a natural transmitter at the N-methyl-D-aspartate (NMDA) subtype of excitatory amino acid receptor based on recent evidence that L-HCA occurs L-HCA occurs naturally in the mammalian CNS, is released from K+ stimulated brain
T Knöpfel et al.
Neuroscience letters, 81(1-2), 188-192 (1987-10-16)
The effects of ionophoretically applied L-homocysteate (L-HCA), L-glutamate (L-Glu) and N-methyl-D-aspartate (NMDA) were compared in rat neocortical neurons recorded intracellularly in vitro. The firing pattern and the time course of membrane depolarization induced by L-HCA resembled those of NMDA responses.
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