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B4063

Sigma-Aldrich

BIMU8 hydrate

≥98% (HPLC)

Synonym(s):

2,3-Dihydro-N-[(3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl]-3-(1-methylethyl)-2-oxo-1H-benzimidazole-1-carboxamide Hydrochloride (1:1) hydrate

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About This Item

Empirical Formula (Hill Notation):
C19H26N4O2·HCl · xH2O
CAS Number:
134296-40-5
Molecular Weight:
378.90 (anhydrous basis)
UNSPSC Code:
12352200
PubChem Substance ID:
329773228
NACRES:
NA.77

assay

≥98% (HPLC)

form

solid

storage condition

desiccated

color

off-white to light tan

solubility

H2O: ≥5 mg/mL

storage temp.

2-8°C

InChI

1S/C19H26N4O2.ClH.H2O/c1-12(2)22-16-6-4-5-7-17(16)23(19(22)25)18(24)20-13-10-14-8-9-15(11-13)21(14)3;;/h4-7,12-15H,8-11H2,1-3H3,(H,20,24);1H;1H2/t13-,14+,15-;;

InChI key

HZJJVFOOACXPTH-XZAJHMFNSA-N

Biochem/physiol Actions

BIMU8 hydrate is a potent 5-HT4 serotonin receptor agonist. Serotonin (5-HT) is a major neurotransmitter that acts through a family of GPCRs and one ion channel. 5-HT4 receptor is GPCR expressed in many tissues, including brain, and modulates dopamine secretion, learning, and memory. BIMU8 is a full agonist at 5-HT4, but it binds differently than the endogenous ligand, 5-HT, shown through site-directed mutagenesis studies. It depolarizes neurons and was used to localize 5-HT4 to somatic but not dendritic regions of CA1 pyramidal neurons.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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H Kilbinger et al.
Naunyn-Schmiedeberg's archives of pharmacology, 351(3), 229-236 (1995-03-01)
The effects of the 5-HT4 receptor agonists BIMU 8, BIMU 1, renzapride and of the 5-HT1p receptor agonist 5-hydroxyindalpine on basal and electrically evoked outflow of tritium were studied in guinea-pig longitudinal muscle myenteric plexus preparations preincubated with [3H]choline. Muscle
G S Baxter et al.
European journal of pharmacology, 212(2-3), 225-229 (1992-03-03)
Three benzimidazolone derivatives have been evaluated in the tunica muscularis mucosae preparation of the rat oesophagus for activity at the 5-HT4 receptor. BIMU 1 (endo-N-(8-methyl-8-azabicyclo-[3.2.1]oct-3-yl)-2,3-dihydro-3-ethyl-2-ox o- 1H-benzimidazole-1-carboxamide HCl) and BIMU 8 (endo-N-(8-methyl-8-azabicyclo[3.2.1]oct-3-yl)-2,3-dihydro-(1-methyl)eth yl- 2-oxo-1H-benzimidazole-1-carboxamide HCl) acted as potent but partial
Scott R Armstrong et al.
Journal of pharmacological and toxicological methods, 53(3), 198-205 (2005-09-20)
In vitro studies have demonstrated a 5-HT4 receptor-mediated relaxation of the pre-contracted rat esophagus. However, it is unclear whether 5-HT4 receptor agonists affect resting esophageal tone in vivo. The activity of 5-HT and several well-established 5-HT4 receptor agonists (tegaserod, BIMU-8
A Bisaga et al.
Polish journal of pharmacology, 45(5-6), 513-519 (1993-09-01)
The effect of 5HT3 and 5HT4 active compounds on the motivational properties of morphine has been examined in the place conditioning (PC) paradigm using unbiased procedure. Place conditioning with morphine produced significant place preference. Pretreatment with the DAU 6285 (mixed
A Dumuis et al.
Naunyn-Schmiedeberg's archives of pharmacology, 345(3), 264-269 (1992-03-01)
Three chemical classes of serotonin 5-HT4 receptor agonists have been identified so far: 5-substituted indoles (e.g. 5-HT), benzamides (e.g. renzapride) and benzimidazolones (e.g. BIMU 8). In a search for 5-HT4 receptor antagonists, we have discovered that the benzimidazolone derivative DAU
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