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Merck
CN

P1675

Picrotoxin

GABAA receptor antagonist, powder

别名:

Cocculin

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经验公式（希尔记法）:
C30H34O13
化学文摘社编号:
124-87-8
分子量:
602.58
NACRES:
NA.77
PubChem Substance ID:
24278188
UNSPSC Code:
12352200
EC Number:
204-716-6
MDL number:
MFCD00074824
Beilstein/REAXYS Number:
3894406

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产品名称

Picrotoxin, powder

InChI

1S/C15H18O7.C15H16O6/c1-12(2,18)6-7-10(16)20-8(6)9-13(3)14(7,19)4-5-15(13,22-5)11(17)21-9;1-5(2)7-8-11(16)19-9(7)10-13(3)14(8,18)4-6-15(13,21-6)12(17)20-10/h5-9,18-19H,4H2,1-3H3;6-10,18H,1,4H2,2-3H3/t5-,6+,7+,8+,9-,13-,14-,15+;6-,7+,8+,9+,10-,13-,14-,15+/m11/s1

InChI key

VJKUPQSHOVKBCO-NGKRNLQBSA-N

SMILES string

[H][C@@]12C[C@@]3(O)[C@@]4([H])[C@H](C(C)=C)[C@]([H])(OC4=O)[C@@]5([H])OC(=O)[C@]1(O2)[C@@]35C.[H][C@@]67C[C@@]8(O)[C@@]9([H])[C@@H]([C@]([H])(OC9=O)[C@@]%10([H])OC(=O)[C@]6(O7)[C@@]8%10C)C(C)(C)O

form

powder

color

white

mp

203 °C (lit.)

Quality Level

200

Gene Information

human ... GABRA1(2554), GABRA2(2555), GABRA3(2556), GABRA4(2557), GABRA5(2558), GABRA6(2559), GABRB1(2560), GABRB2(2561), GABRB3(2562)

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相关类别

Application

Picrotoxin has been used:
  • as non-competitive antagonist for the γ-aminobutyric acid (GABAA) for studying synchronized burst (SB) dynamics
  • as a component of extracellular saline for blocking glutamate and acetylcholine receptors in neurons
  • as a component of artificial cerebrospinal fluid (ACSF) for voltage-clamp recordings studies in dissociated cortical neurons

Biochem/physiol Actions

GABAA receptor antagonist; binds to the GABA receptor-linked Cl− channel.
Picrotoxin is a competitive inhibitor of glycine receptors (GlyRs). It is a non-competitive antagonist, which binds to ligand bounded γ-aminobutyric acid (GABAA) receptor.

Features and Benefits

This compound is a featured product for Neuroscience research. Click here to discover more featured Neuroscience products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the GABAA Receptors and GABAC Receptors pages of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

General description

Picrotoxin is isolated from moonseed family, Menispermaceae. It is a stimulant and may cause convulsions. It is an allosteric modulator of γ-aminobutyric acid (GABAA) receptor.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research
Molecular complex (1:1) of picrotin and picrotoxinin.

pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H300

Hazard Classifications

Acute Tox. 2 Oral

存储类别

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

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分析证书(COA)

Lot/Batch Number
0000517840
0000517840
0000483441
0000483441
0000467011

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访问文档库

Characterization of alpha 3 Glycine Receptors with Ginkgolide B and Picrotoxin
Chakrabarti S, et al.
bioRxiv, 454710-454710 (2018)
On the mechanism of action of picrotoxin on GABA receptor channels in dissociated sympathetic neurones of the rat
Newland CF and Cull-Candy SG
The Journal of Physiology, 447(1), 191-213 (1992)
Aric C Madayag et al.
Brain structure & function, 224(7), 2311-2324 (2019-06-16)
Despite evidence that morphine-related pathologies reflect adaptations in NAc glutamate signaling, substantial gaps in basic information remain. The current study examines the impact of non-contingent acute, repeated, and withdrawal-inducing morphine dosing regimens on glutamate transmission in D1- or D2-MSNs in
Picrotoxin-like channel blockers of GABAA receptors
Olsen RW
Proceedings of the National Academy of Sciences of the USA, 103(16), 6081-6082 (2006)
Dynamic transitions among multiple oscillators of synchronized bursts in cultured neural networks
Kim JH, et al.
Journal of Statistical Mechanics: Theory and Experiment, 2014(4), P04019-P04019 (2014)
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