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Merck
CN

M3668

Metergoline

Serotonin antagonist

Synonym(s):

N-CBZ-[(8β)-1,6-Dimethylergolin-8-yl]methylamine, [(8β)-1,6-Dimethylergolin-8-yl)methyl]carbamic acid phenylmethyl ester

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About This Item

Empirical Formula (Hill Notation):
C25H29N3O2
CAS Number:
17692-51-2
Molecular Weight:
403.52
NACRES:
NA.77
PubChem Substance ID:
24278105
UNSPSC Code:
12352200
EC Number:
241-686-3
MDL number:
MFCD00153829

Key Documents

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Product Name

Metergoline,

InChI key

WZHJKEUHNJHDLS-QTGUNEKASA-N

InChI

1S/C25H29N3O2/c1-27-14-18(13-26-25(29)30-16-17-7-4-3-5-8-17)11-21-20-9-6-10-22-24(20)19(12-23(21)27)15-28(22)2/h3-10,15,18,21,23H,11-14,16H2,1-2H3,(H,26,29)/t18-,21+,23+/m0/s1

SMILES string

[H][C@]2(CNC(=O)OCc1ccccc1)CN(C)[C@]3([H])Cc4cn(C)c5cccc(c45)[C@@]3([H])C2

mp

148-150 °C (lit.)

solubility

0.1 M HCl: 1.4 mg/mL, ethanol: 4 mg/mL, H2O: insoluble

storage temp.

−20°C

Quality Level

100

Gene Information

human ... HTR1A(3350), HTR1B(3351), HTR1D(3352), HTR1E(3354), HTR1F(3355), HTR2A(3356), HTR2B(3357), HTR2C(3358), HTR7(3363)
rat ... Htr7(65032)

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Application

Metergoline has been used as a serotonin receptor antagonist:

  • to study its effects on astrocyte calcium signals evoked by whisker stimulation
  • to study its effects on lipopolysaccharide-induced anorexia in rats
  • to evaluate the non-specific binding by 5-HT1A receptor binding assays

Biochem/physiol Actions

Metergoline is an ergot alkaloid and a selective serotonin antagonist which blocks the 5-HT2A and 5-HT2C receptors with higher affinity. It possesses antifungal activity against infection caused by Candida krusei. Metergoline exhibits a therapeutic effect against premenstrual dysphoric disorder. It also exhibits antipyretic and analgesic activities.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN9412
BCCN6044
BCCL4038
BCCL9897
BCCL0669

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B K Smith et al.
The American journal of physiology, 277(3 Pt 2), R802-R811 (1999-09-14)
Systemic treatment with dexfenfluramine (dF), fluoxetine, or serotonin (5-hydroxytryptamine, 5-HT) recently was shown to suppress fat and occasionally protein but not carbohydrate intake in rats when a macronutrient selection paradigm was employed. These reports contrast with the prevailing literature, which
N J Beijerink et al.
Reproduction (Cambridge, England), 128(2), 181-188 (2004-07-29)
Dopamine agonists decrease plasma prolactin concentration and shorten the duration of anoestrus in the bitch. In order to determine whether this shortening results from decreased prolactin release or is due to another dopamine agonistic effect on the pulsatile release of
Catherine A Roca et al.
The American journal of psychiatry, 159(11), 1876-1881 (2002-11-02)
The authors investigated the role of acute serotonergic modulation in the efficacy of selective serotonin reuptake inhibitors (SSRIs) in women with premenstrual dysphoric disorder. Patients with premenstrual dysphoric disorder (whose symptoms had remitted during treatment with fluoxetine) and a group
K J Miller et al.
European journal of pharmacology, 227(1), 99-102 (1992-09-01)
We have recently cloned a novel human 5-HT1D receptor subtype termed 5-HT1D beta. CHO K1 cells expressing the human serotonin 5-HT1D beta receptor were assayed to determine the second messenger system of this receptor. Cyclic AMP radioimmunoassays revealed that the
A Dogrul et al.
British journal of pharmacology, 149(5), 498-505 (2006-08-22)
The serotonergic system within the spinal cord have been proposed to play an important role in the analgesic effects of systemic morphine. Currently, seven groups of 5-HT receptors (5-HT1-7) have been characterized. One of the most recently identified subtypes of
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