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M105

Sigma-Aldrich

Methoctramine hydrate

≥97% (NMR), solid

Synonyme(s) :

Methoctramine tetrahydrochloride hydrate, N,N′-bis[6-[[(2-Methoxyphenyl)methyl]amino]hexyl]-1,8-octane diamine tetrahydrochloride hydrate

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About This Item

Formule empirique (notation de Hill):
C36H62N4O2 · 4HCl · xH2O
Numéro CAS:
104807-46-7
Poids moléculaire :
728.75 (anhydrous basis)
Numéro MDL:
MFCD11045942
Code UNSPSC :
12352116
ID de substance PubChem :
24277850
Nomenclature NACRES :
NA.32

Niveau de qualité

100

Pureté

≥97% (NMR)

Forme

solid

Couleur

white

Solubilité

H2O: >20 mg/mL

Température de stockage

2-8°C

Chaîne SMILES 

O.Cl.Cl.Cl.Cl.COc1ccccc1CNCCCCCCNCCCCCCCCNCCCCCCNCc2ccccc2OC.COc3ccccc3CNCCCCCCNCCCCCCCCNCCCCCCNCc4ccccc4OC

InChI

1S/2C36H62N4O2.4ClH.H2O/c2*1-41-35-23-13-11-21-33(35)31-39-29-19-9-7-17-27-37-25-15-5-3-4-6-16-26-38-28-18-8-10-20-30-40-32-34-22-12-14-24-36(34)42-2;;;;;/h2*11-14,21-24,37-40H,3-10,15-20,25-32H2,1-2H3;4*1H;1H2

Clé InChI

XIIINYPADNNZHA-UHFFFAOYSA-N

Informations sur le gène

human ... CHRM2(1129)

Description générale

Methoctramine (N, N′-bis [6-[[(2-methoxyphenyl)-methyl] hexyl]-1, 8-octane] diamine) is a derivative of polymethylene tetramine.

Application

Methoctramine hydrate has been used:
  • As a muscarinic receptor 2 antogonist.
  • As a test molecule to check its effect on premature osteogenic differentiation of HGPS (Hutchinson-Gilford progeria syndrome) iPS (induced pluripotent)-derived mesenchymal stem cells.

Actions biochimiques/physiologiques

Methoctramine is a selective M2 muscarinic receptor antagonist at nM concentrations. At mM concentrations, methoctramine directly inhibits the high affinity GTPase activity of G proteins. The increase in calcium and arachidonic acid release were attenuated by the M2 receptor antagonist methoctramine, but not by the M3 receptor antagonist p-fluoro-hexahydro siladifenidol.
Methoctramine is a selective M2 muscarinic receptor antagonist at nM concentrations. At mM concentrations, methoctramine directly inhibits the high affinity GTPase activity of G proteins. In oesophageal muscle, acetylcholine-mediated increase in calcium and arachidonic acid release were reduced by the M2 receptor antagonist, methoctramine. Methoctramine infused bilaterally in the dorsolateral striatum, considerably enhanced memory in cognitively impaired aged rats. Methoctramine plays a vital role in muscarinic receptor classification.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

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Laura Nadal et al.
Developmental neuroscience, 38(6), 407-419 (2017-04-27)
The development of the nervous system involves the initial overproduction of synapses, which promotes connectivity. Hebbian competition between axons with different activities leads to the loss of roughly half of the overproduced elements and this refines connectivity. We used quantitative
G Villetti et al.
The Journal of pharmacology and experimental therapeutics, 335(3), 622-635 (2010-09-02)
The novel quaternary ammonium salt (3R)-3-[[[(3-fluorophenyl)[(3,4,5-trifluorophenyl)methyl]amino]carbonyl]oxy]-1-[2-oxo-2-(2-thienyl)ethyl]-1-azoniabicyclo[2.2.2]octane bromide (CHF5407) showed subnanomolar affinities for human muscarinic M1 (hM1), M2 (hM2), and M3 (hM3) receptors and dissociated very slowly from hM3 receptors (t(½) = 166 min) with a large part of the receptorial
Maddalena Zini et al.
Chemico-biological interactions, 181(3), 409-416 (2009-07-07)
Methoctramine and its analogues are polymethylene tetramines that selectively bind to a variety of receptor sites. Although these compounds are widely used as pharmacological tools for receptor characterization, the toxicological properties of these polyamine-based structures are largely unknown. We have
Intrastriatal infusions of methoctramine improve memory in cognitively impaired aged rats.
Lazaris A
Neurobiology of Aging, 24(2), 379-383 (2003)
L Daeffler et al.
British journal of pharmacology, 127(4), 1021-1029 (1999-08-05)
1. The effects of spermine and methoctramine, a selective M2 muscarinic receptor antagonist, were studied on the high-affinity GTPase activity of G proteins, and on ligand binding to M2 muscarinic receptors in pig heart sarcolemma. 2. The spontaneous GTP hydrolysis
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