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Methysergide maleate

5-HT1/5-HT2 antagonist CAS# 129-49-7

Methysergide maleate

2D Structure

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3D structure

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Methysergide maleate

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Chemical Properties of Methysergide maleate

Cas No. 129-49-7 SDF Download SDF
PubChem ID 5281073 Appearance Powder
Formula C25H31N3O6 M.Wt 469.54
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble to 10 mM in water with gentle warming
Chemical Name (6aR,9R)-N-[(2S)-1-hydroxybutan-2-yl]-4,7-dimethyl-6,6a,8,9-tetrahydroindolo[4,3-fg]quinoline-9-carboxamide;(Z)-but-2-enedioic acid
SMILES CCC(CO)NC(=O)C1CN(C2CC3=CN(C4=CC=CC(=C34)C2=C1)C)C.C(=CC(=O)O)C(=O)O
Standard InChIKey LWYXFDXUMVEZKS-ZVFOLQIPSA-N
Standard InChI InChI=1S/C21H27N3O2.C4H4O4/c1-4-15(12-25)22-21(26)14-8-17-16-6-5-7-18-20(16)13(10-23(18)2)9-19(17)24(3)11-14;5-3(6)1-2-4(7)8/h5-8,10,14-15,19,25H,4,9,11-12H2,1-3H3,(H,22,26);1-2H,(H,5,6)(H,7,8)/b;2-1-/t14-,15+,19-;/m1./s1
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 Methysergide maleate

DescriptionMixed 5-HT1/5-HT2 receptor antagonist.

Methysergide maleate Dilution Calculator

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Preparing Stock Solutions of Methysergide maleate

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1297 mL 10.6487 mL 21.2974 mL 42.5949 mL 53.2436 mL
5 mM 0.4259 mL 2.1297 mL 4.2595 mL 8.519 mL 10.6487 mL
10 mM 0.213 mL 1.0649 mL 2.1297 mL 4.2595 mL 5.3244 mL
50 mM 0.0426 mL 0.213 mL 0.4259 mL 0.8519 mL 1.0649 mL
100 mM 0.0213 mL 0.1065 mL 0.213 mL 0.4259 mL 0.5324 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 Methysergide maleate

Lower extremity arterial insufficiency after long-term methysergide maleate therapy. Its evaluation with Doppler ultrasonic velocity detector.[Pubmed:464813]

Arch Surg. 1979 Aug;114(8):964-7.

Iatrogenic ergotism is the primary source of ergot intoxication. The patient whose case is reviewed had migraine headaches and received Methysergide maleate for 13 years. She had, in July 1977, severe claudication of the lower extremities. Measurements of the peripheral arterial circulation were made using the Doppler ultrasonic velocity detector. The extent of disease and subsequent reversal were documented using arteriographic examination. Initial measurements showed the patient was able to walk for one minute and 34 seconds on a treadmill (2 mph, 10% grade) before stopping because of claudication. Symptoms cleared after drug withdrawal and repeated testing produced no claudication. The calculated index (posterior tibial/arm pressure) increased from a mean of 0.22 to 0.74 during the eight-month period following discontinuance of methysergide therapy with no recurrence of migraine headaches. A review of the literature is also presented.

International Union of Pharmacology classification of receptors for 5-hydroxytryptamine (Serotonin).[Pubmed:7938165]

Pharmacol Rev. 1994 Jun;46(2):157-203.

It is evident that in the last decade or so, a vast amount of new information has become available concerning the various 5-HT receptor types and their characteristics. This derives from two main research approaches, operational pharmacology, using selective ligands (both agonists and antagonists), and, more recently, molecular biology. Although the scientific community continues to deliberate about the hierarchy of criteria for neurotransmitter receptor characterisation, there seems good agreement between the two approaches regarding 5-HT receptor classification. In addition, the information regarding transduction mechanisms and second messengers is also entirely consistent. Thus, on the basis of these essential criteria for receptor characterisation and classification, there are at least three main groups or classes of 5-HT receptor: 5-HT1, 5-HT2, and 5-HT3. Each group is not only operationally but also structurally distinct, with each receptor group having its own distinct transducing system. The more recently identified 5-HT4 receptor almost undoubtedly represents a fourth 5-HT receptor class on the basis of operational and transductional data, but this will only be definitively shown when the cDNA for the receptor has been cloned and the amino acid sequence of the protein is known. Although those 5-HT receptors that have been fully characterised and classified to date (and, hence, named with confidence) would seem to mediate the majority of the actions of 5-HT throughout the mammalian body, not all receptors for 5-HT are fully encompassed within our scheme of classification. These apparent anomalies must be recognised and need further study. They may or may not represent new groups of 5-HT receptor or subtypes of already known groups of 5-HT receptor. Even though the cDNAs for the 5-ht1E, 5-ht1F, 5-ht5, 5-ht6, and 5-ht7 receptors have been cloned and their amino acid sequence defined, more data are necessary concerning their operational and transductional characteristics before one can be confident of the suitability of their appellations. Therefore, it is important to rationalise in concert all of the available data from studies involving both operational approaches of the classical pharmacological type and those from molecular and cellular biology.(ABSTRACT TRUNCATED AT 400 WORDS)

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