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Merck

H9633

Sigma-Aldrich

L-Homocysteic acid

≥98% (TLC)

Sinónimos:

L-2-Amino-4-sulfobutyric acid

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About This Item

Fórmula empírica (notación de Hill):
C4H9NO5S
Número de CAS:
Peso molecular:
183.18
Número MDL:
Código UNSPSC:
12352106
ID de la sustancia en PubChem:
NACRES:
NA.32

Nombre del producto

L-Homocysteic acid, ≥95%

Ensayo

≥95%
≥98% (TLC)

Formulario

powder

color

white to off-white

aplicaciones

cell analysis

cadena 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

Clave InChI

VBOQYPQEPHKASR-VKHMYHEASA-N

Aplicación

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

Acciones bioquímicas o fisiológicas

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.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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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.
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
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
R Gurke et al.
Journal of pharmaceutical and biomedical analysis, 174, 578-587 (2019-07-02)
The role of homocysteic acid (HCA) in severe diseases like Alzheimer's disease is under discussion and some recent studies correlate elevated HCA concentrations with the diagnosis of Alzheimer's. However, non-selective and insufficiently sensitive methods have been used to quantitate HCA
Danté T Johnson et al.
The Journal of biological chemistry, 294(32), 11969-11979 (2019-07-03)
Fast photochemical oxidation of proteins (FPOP) is a MS-based method that has proved useful in studies of protein structures, interactions, conformations, and protein folding. The success of this method relies on the irreversible labeling of solvent-exposed amino acid side chains

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