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Merck

H3041

Halopemide

≥98% (HPLC)

Synonym(s):

N-(2-(4-(5-Chloro-2-oxo-1-benzimidazolinyl)piperidino)ethyl)-p-fluorobenzamide

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About This Item

Empirical Formula (Hill Notation):
C21H22ClFN4O2
CAS Number:
59831-65-1
Molecular Weight:
416.88
NACRES:
NA.77
PubChem Substance ID:
329815189
UNSPSC Code:
12352204
MDL number:
MFCD00866684
Assay:
≥98% (HPLC)
Form:
powder
Quality level:
100

Key Documents

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InChI key

NBHPRWLFLUBAIE-UHFFFAOYSA-N

SMILES string

Fc1ccc(cc1)C(=O)NCCN2CCC(CC2)N3C(=O)Nc4cc(Cl)ccc34

InChI

1S/C21H22ClFN4O2/c22-15-3-6-19-18(13-15)25-21(29)27(19)17-7-10-26(11-8-17)12-9-24-20(28)14-1-4-16(23)5-2-14/h1-6,13,17H,7-12H2,(H,24,28)(H,25,29)

assay

≥98% (HPLC)

form

powder

color

off-white

solubility

DMSO: >10 mg/mL

storage temp.

2-8°C

Quality Level

100

Application

Halopemide, a non-specific phospholipase D (PLD) antagonist, may be used with selective PLD antagonists (CAY10593, a PLD1 antagonist; CAY10594 or ML298, selective PLD2 antagonist) to help define the role and physiological effects regulated by phospholipase D enzymes. Halopemide may be used as the basis of the design and development of more selective PLD antagonists.

Biochem/physiol Actions

Halopemide is a dopamine receptor antagonist and a phospholipase D2 inhibitor.
Halopemide is a dopamine receptor antagonist and a phospholipase D2 inhibitor. Halopemide may be used as a screen to identify inhibitors of human PLD2 using an in vitro biochemical assay. It is also inhibitory at benzodiazepine binding sites.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000115649
0000115650
0000073817
0000073816
0000047892

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A J Loonen et al.
Archives internationales de pharmacodynamie et de therapie, 247(1), 43-58 (1980-09-01)
The effects of halopemide on the release of 3H-serotonin, 3H-noradrenaline, 3H-acetylcholine and 3H-GABA from rat frontal cortical slices in vitro were studied and compared to those of its neuroleptic congener R29800, spiperone and haloperidol. Spontaneous 3H-serotonin and to a lesser
Effects of halopemide on GABA receptor binding, uptake and release.
A J Loonen et al.
Brain research, 210(1-2), 485-492 (1981-04-06)
R Neale et al.
Psychopharmacology, 75(3), 254-257 (1981-01-01)
Oxiperomide and tiapride are dopamine receptor antagonists claimed to have "antidyskinetic" properties in animal models and the clinic. Halopemide and mezilamine are other dopamine antagonists predicted to lack extrapyramidal side effects in man on the basis of animal studies. Acute
Sarah A. Scott et al.
Probe Reports from the NIH Molecular Libraries Program (2013-06-14)
A diversity-oriented synthesis approach of the neuroleptic drug halopemide, reported to be a phospholipase D2 (PLD2) inhibitor (but later shown to be a dual PLD1/2 inhibitor) afforded ML298 (CID 53393915), a potent, >53-fold PLD2 selective allosteric inhibitor (cellular PLD1, IC
A J Loonen et al.
Archives internationales de pharmacodynamie et de therapie, 258(1), 51-59 (1982-07-01)
Halopemide inhibits 3H-BZ binding to crude and washed rat forebrain membranes with IC50 values of 16-25 microM. Its putative metabolites are considerably less active. The actions of halopemide are probably not directly related to its ability to interfere with high-affinity
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