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5-Methylfurmethiodide

Potent muscarinic agonist CAS# 1197-60-0

5-Methylfurmethiodide

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Chemical structure

5-Methylfurmethiodide

3D structure

Chemical Properties of 5-Methylfurmethiodide

Cas No. 1197-60-0 SDF Download SDF
PubChem ID 70973 Appearance Powder
Formula C9H16INO M.Wt 281.14
Type of Compound N/A Storage Desiccate at -20°C
Synonyms Methylfutrethonium iodide
Solubility Soluble to 100 mM in DMSO
Chemical Name trimethyl-[(5-methylfuran-2-yl)methyl]azanium;iodide
SMILES CC1=CC=C(O1)C[N+](C)(C)C.[I-]
Standard InChIKey IHTCZSNKQINGDD-UHFFFAOYSA-M
Standard InChI InChI=1S/C9H16NO.HI/c1-8-5-6-9(11-8)7-10(2,3)4;/h5-6H,7H2,1-4H3;1H/q+1;/p-1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of 5-Methylfurmethiodide

DescriptionA potent muscarinic agonist.

5-Methylfurmethiodide Dilution Calculator

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5-Methylfurmethiodide Molarity Calculator

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Preparing Stock Solutions of 5-Methylfurmethiodide

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.5569 mL 17.7847 mL 35.5695 mL 71.1389 mL 88.9237 mL
5 mM 0.7114 mL 3.5569 mL 7.1139 mL 14.2278 mL 17.7847 mL
10 mM 0.3557 mL 1.7785 mL 3.5569 mL 7.1139 mL 8.8924 mL
50 mM 0.0711 mL 0.3557 mL 0.7114 mL 1.4228 mL 1.7785 mL
100 mM 0.0356 mL 0.1778 mL 0.3557 mL 0.7114 mL 0.8892 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on 5-Methylfurmethiodide

Effects of the muscarinic agonist, 5-methylfurmethiodide, on contraction and electrophysiology of Ascaris suum muscle.[Pubmed:18206155]

Int J Parasitol. 2008 Jul;38(8-9):945-57.

Contraction and electrophysiological effects of 5-Methylfurmethiodide (MFI), a selective muscarinic agonist in mammals, were tested on Ascaris suum muscle strips. In a contraction assay, MFI produced weak contraction and was less potent than levamisole and acetylcholine. Atropine (3microM) a non-selective muscarinic antagonist in mammalian preparations, did not affect contractions produced by MFI. Mecamylamine (3microM) a nicotinic antagonist in A. suum preparations, blocked the MFI contractions indicating that MFI had weak nicotinic agonist actions. In two-micropipette current-clamp experiments MFI, at concentrations greater than 10microM, produced concentration-dependent depolarizations and small increases in membrane conductance. The depolarizing effects were not abolished by perfusing the preparation in a calcium-free Ascaris Ringer solution to block synaptic transmission, suggesting that MFI effects were mediated by receptors on the muscle and were calcium-independent. A high concentration of mecamylamine, 30microM, only reduced the depolarizing responses by 42%, indicating that MFI also had effects on non-nicotinic receptors. Three non-nicotinic effects in the presence of 30microM mecamylamine were identified using voltage-clamp techniques: (i) MFI produced opening of mecamylamine-resistant non-selective-cation channel currents; (ii) MFI inhibited opening of voltage-activated potassium currents; and (iii) MFI increased the threshold of voltage-activated calcium currents. We suggest that a drug that is more selective for voltage-activated potassium currents, without effects on other channels like MFI, may be exploited pharmacologically as a novel anthelmintic or as an agent to potentiate the action of levamisole. In a larval migration assay we demonstrated that 4-aminopyridine (4-AP: a potassium channel blocker) potentiated the effects of levamisole but MFI did not.

A pharmacological study of the responses induced by muscarinic agonists on the isolated superior cervical ganglion of the guinea-pig.[Pubmed:2289527]

Eur J Pharmacol. 1990 Sep 21;186(2-3):257-65.

We have studied the muscarinic agonist induced responses on the guinea-pig superior cervical ganglion in vitro, as recorded from the internal carotid nerve using a grease-gap. The principal response was a depolarization, but a small hyperpolarizing response could be revealed under certain conditions. We determined the pA2 of a number of muscarinic antagonists against the muscarine induced depolarization. Four selective antagonists and atropine appeared to act competitively. The rank order of their pA2s was 4-DAMP (8.5), atropine (8.4), pirenzepine (8.0), methoctramine (7.2) and AF-DX 116 (6.3). In addition to muscarine, we assessed the potency and relative maximum response of nine other muscarinic compounds to depolarize this preparation: carbachol, 5-methylfurmethide, oxotremorine, oxotremorine-M, pilocarpine, RS 86, AF102B and two novel compounds L-670548 and L-679512. L-670548 was the most potent and AF102B was the least potent agonist tested. Only AF102B evoked a maximum depolarization that was significantly smaller than muscarine. A hyperpolarizing response to carbachol (1 microM) could be recorded when the superfusing medium contained 0.3 microM pirenzepine and only 0.1 mM CaCl2 (cf. usual 2.5 mM). This response was relatively small compared to that evoked on the superior cervical ganglion of the rat. It was blocked by the cardioselective antagonists methoctramine (0.1-0.3 microM) and AF-DX 116 (0.3-1.0 microM). Of the 10 agonists tested, only carbachol, oxotremorine and oxotremorine-M reproducibly evoked a hyperpolarizing response. It was concluded that muscarinic agonists can induce a depolarization of the guinea-pig superior cervical ganglion mediated by M1 receptors. The activation of cardiac-like M2 receptors resulted in a hyperpolarizing response that was relatively small.

Pharmacological differences between two muscarinic responses of the rat superior cervical ganglion in vitro.[Pubmed:3427281]

Br J Pharmacol. 1987 Dec;92(4):817-26.

1 Pharmacological differences have been observed between the muscarinic agonist-induced depolarizing and hyperpolarizing responses of the rat isolated superior cervical ganglion. 2 Pirenzepine (0.3 microM) selectively reduced the depolarizing response and unmasked the hyperpolarizing response. No such selectivity was observed with a concentration of N-methylatropine which was equipotent with pirenzepine in antagonizing the depolarizing response. 3 The neuromuscular blocking agents gallamine (10 microM) and pancuronium (3 microM) exhibited the oppositive selectivity to pirenzepine, both dramatically reduced the hyperpolarization but only slightly antagonized the depolarization. 4 The potencies of a range of agonists in evoking the depolarizing and hyperpolarizing responses, the latter in the presence of 0.3 microM pirenzepine, have been determined. Methylfurmethide failed to hyperpolarize the ganglion at concentrations which evoked maximal depolarizations. 5 The muscarinic hyperpolarization did not appear to be mediated by the secondary release of catecholamines. 6 It was concluded that the two muscarinic responses on the rat superior cervical ganglion, the slow depolarization and faster hyperpolarization, are mediated by different muscarinic receptor subtypes.

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