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trans-Methylkhellactone

CAS# 23733-92-8

trans-Methylkhellactone

2D Structure

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3D structure

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trans-Methylkhellactone

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Chemical Properties of trans-Methylkhellactone

Cas No. 23733-92-8 SDF Download SDF
PubChem ID 21679806 Appearance Powder
Formula C15H16O5 M.Wt 276.28
Type of Compound Coumarins Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name (9R,10S)-9-hydroxy-10-methoxy-8,8-dimethyl-9,10-dihydropyrano[2,3-f]chromen-2-one
SMILES CC1(C(C(C2=C(O1)C=CC3=C2OC(=O)C=C3)OC)O)C
Standard InChIKey MDDPVXHWOABQJQ-UONOGXRCSA-N
Standard InChI InChI=1S/C15H16O5/c1-15(2)14(17)13(18-3)11-9(20-15)6-4-8-5-7-10(16)19-12(8)11/h4-7,13-14,17H,1-3H3/t13-,14+/m0/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.

Source of trans-Methylkhellactone

The roots of Peucedanum praeruptorum Dunn.

Protocol of trans-Methylkhellactone

Structure Identification
Helvetica Chimica Acta, 2016, 99(5):393-397.

Three New Chalcones from the Aerial Parts of Angelica keiskei.[Reference: WebLink]


METHODS AND RESULTS:
Three new chalcones, 3′‐carboxymethyl‐4,2′‐dihydroxy‐4′‐methoxychalcone (1), (±)‐4,2′,4′‐trihydroxy‐3′‐[(3‐hydroxy‐2,2‐dimethyl‐6‐methylenecyclohexyl)methyl]chalcone (2), and 2′′‐hydroxyangelichalcone (3), were isolated from the aerial parts of Angelica keiskei (Umbelliferae) together with five known compounds, artocarmitin A (4), (+)‐cis‐(3′R,4′R)‐methylkhellactone (5), (−)‐trans‐(3′R,4′S)‐methylkhellactone (trans-Methylkhellactone ,6), 3,4‐dihydroxanthotoxin (7), and (Z)‐p‐coumaryl alcohol (8).
CONCLUSIONS:
The known compounds 4 – 8 were identified from A. keiskei for the first time. The structures of 1 – 3 were elucidated by interpreting spectroscopic data including 1D‐ and 2D‐NMR.

trans-Methylkhellactone Dilution Calculator

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Preparing Stock Solutions of trans-Methylkhellactone

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.6195 mL 18.0976 mL 36.1952 mL 72.3903 mL 90.4879 mL
5 mM 0.7239 mL 3.6195 mL 7.239 mL 14.4781 mL 18.0976 mL
10 mM 0.362 mL 1.8098 mL 3.6195 mL 7.239 mL 9.0488 mL
50 mM 0.0724 mL 0.362 mL 0.7239 mL 1.4478 mL 1.8098 mL
100 mM 0.0362 mL 0.181 mL 0.362 mL 0.7239 mL 0.9049 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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