(-)-Bicuculline methobromide

Modify Date: 2026-07-05 05:05:06

(-)-Bicuculline methobromide Structure
(-)-Bicuculline methobromide structure
Common Name (-)-Bicuculline methobromide
CAS Number 73604-30-5 Molecular Weight 462.29100
Density N/A Boiling Point N/A
Molecular Formula C21H20BrNO6 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of (-)-Bicuculline methobromide


(-)-Bicuculline methobromide (l-Bicuculline methobromide) is a potent GABAA receptor antagonist. (-)-Bicuculline methobromide blocks afterhyperpolarizations (AHPs) mediated by Ca2+-activated K+ channels in various types of neurons[1].

 Names

Name 6-(6,6-dimethyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-6-ium-5-yl)-6H-furo[3,4-g][1,3]benzodioxol-8-one,bromide
Synonym More Synonyms

 (-)-Bicuculline methobromide Biological Activity

Description (-)-Bicuculline methobromide (l-Bicuculline methobromide) is a potent GABAA receptor antagonist. (-)-Bicuculline methobromide blocks afterhyperpolarizations (AHPs) mediated by Ca2+-activated K+ channels in various types of neurons[1].
Related Catalog
Target

GABAA[1]

In Vivo (-)-Bicuculline methobromide (0.6 nmol/rat) attenuates the antiallodynic effect of Neurotropin[2]. Animal Model: Rat L5-SNL model[2] Dosage: 0.6 nmol/rat Administration: Intrathecal injection, 5 minutes before administration of Neurotropin (100 NU/kg, i.v.) Result: Attenuated the antiallodynic effect of Neurotropin.
References

[1]. Seutin V, et al. Recent advances in the pharmacology of quaternary salts of bicuculline. Trends Pharmacol Sci. 1999 Jul;20(7):268-70.

[2]. Okazaki R, et al. The antiallodynic effect of Neurotropin is mediated via activation of descending pain inhibitory systems in rats with spinal nerve ligation. Anesth Analg. 2008 Sep;107(3):1064-9.

 Chemical & Physical Properties

Molecular Formula C21H20BrNO6
Molecular Weight 462.29100
Exact Mass 461.04700
PSA 63.22000
InChIKey BWXCECYGGMGBHD-UHFFFAOYSA-M
SMILES C[N+]1(C)CCc2cc3c(cc2C1C1OC(=O)c2c1ccc1c2OCO1)OCO3.[Br-]

 Safety Information

Safety Phrases S24/25
RIDADR UN 1544 6.1/PG 2
Packaging Group III
Hazard Class 6.1(b)

 (-)-Bicuculline methobromideBioassay

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Name: qHTS for Inhibitors of Polymerase Iota
Source: NCGC
Target: DNA polymerase iota [Homo sapiens]
External Id: PolI100
Name: A screen for compounds that inhibit growth of Escherichia coli
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS1158_MLP
Name: qHTS for Inhibitors of Polymerase Eta
Source: NCGC
Target: DNA polymerase eta [Homo sapiens]
External Id: PolE100
Name: A screen for compounds that are lethal to S. aureus RN4220
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS1364-MLP_WT
Name: qHTS Assay for Inhibitors of Mammalian Selenoprotein Thioredoxin Reductase 1 (TrxR1):...
Source: NCGC
Target: thioredoxin reductase [Rattus norvegicus]
External Id: TRXR100
Name: Validation screen for small molecules that induce DNA re-replication in MCF 10A norma...
Source: NCGC
Target: geminin [Homo sapiens]
External Id: NUC309
Name: A screen for compounds that are lethal to S. aureus RN4220 with the processive glycos...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS1364-MLP_ugtP
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 Synonyms

Guvacine hydrochloride
MFCD00055149
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