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19,20-(E)-Vallesamine

19,20-(E)-Vallesamine

Catalog No. BCN5260
Size Price Stock
20mg $298 In stock
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Quality Control of 19,20-(E)-Vallesamine

Chemical structure

19,20-(E)-Vallesamine

19,20-(E)-Vallesamine Dilution Calculator

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19,20-(E)-Vallesamine Molarity Calculator

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Chemical Properties of 19,20-(E)-Vallesamine

Cas No. 3368-87-4 SDF Download SDF
Type of Compound Alkaloids Appearance Powder
Formula C20H24N2O3 M.Wt 340.4
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
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.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other courier with RT , or blue ice upon request.

Preparing Stock Solutions of 19,20-(E)-Vallesamine

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.9377 mL 14.6886 mL 29.3772 mL 58.7544 mL 73.443 mL
5 mM 0.5875 mL 2.9377 mL 5.8754 mL 11.7509 mL 14.6886 mL
10 mM 0.2938 mL 1.4689 mL 2.9377 mL 5.8754 mL 7.3443 mL
50 mM 0.0588 mL 0.2938 mL 0.5875 mL 1.1751 mL 1.4689 mL
100 mM 0.0294 mL 0.1469 mL 0.2938 mL 0.5875 mL 0.7344 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.

Preparation of 19,20-(E)-Vallesamine

This product is isolated and purified from the leaves of Alstonia scholaris

References on 19,20-(E)-Vallesamine

Indole alkaloids from the leaves of Philippine Alstonia scholaris.[Pubmed: 15924920]


The first seco-uleine alkaloids, manilamine (1) (18-hydroxy-19,20-dehydro-7,21-seco-uleine) and N4-methyl angustilobine B (2), were isolated from the (pH 5) alkaloid extract of Philippine Alstonia scholaris leaves together with the known indole alkaloids 19,20-(E)-Vallesamine (3), angustilobine B N4-oxide (4), 20(S)-tubotaiwine (5), and 6,7-seco-angustilobine B (6). The structure of the alkaloids was established from MS and NMR experiments.

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