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1-O-Acetyl britannilactone

1-O-Acetyl britannilactone

Catalog No. BCN2365
Size Price Stock
20mg $488 In stock
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Quality Control of 1-O-Acetyl britannilactone

Chemical structure

1-O-Acetyl britannilactone

1-O-Acetyl britannilactone Dilution Calculator

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Chemical Properties of 1-O-Acetyl britannilactone

Cas No. 681457-46-5 SDF Download SDF
Chemical Name 4-[(3aS,4R,7aR)-4-hydroxy-6-methyl-3-methylidene-2-oxo-3a,4,7,7a-tetrahydro-1-benzofuran-5-yl]pentyl acetate
SMILES CC1=C(C(C2C(C1)OC(=O)C2=C)O)C(C)CCCOC(=O)C
Standard InChIKey QKUFZFLZBUSEHN-MCJOIMHTSA-N
Standard InChI InChI=1S/C17H24O5/c1-9(6-5-7-21-12(4)18)14-10(2)8-13-15(16(14)19)11(3)17(20)22-13/h9,13,15-16,19H,3,5-8H2,1-2,4H3/t9?,13-,15-,16+/m1/s1
Type of Compound Sesquiterpenoids Appearance Cryst.
Formula C17H24O5 M.Wt 266.34
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 1-O-Acetyl britannilactone

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.7546 mL 18.773 mL 37.546 mL 75.092 mL 93.865 mL
5 mM 0.7509 mL 3.7546 mL 7.5092 mL 15.0184 mL 18.773 mL
10 mM 0.3755 mL 1.8773 mL 3.7546 mL 7.5092 mL 9.3865 mL
50 mM 0.0751 mL 0.3755 mL 0.7509 mL 1.5018 mL 1.8773 mL
100 mM 0.0375 mL 0.1877 mL 0.3755 mL 0.7509 mL 0.9386 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 1-O-Acetyl britannilactone

This product is isolated and purified from the herbs of Inula japonica Thunb.

References on 1-O-Acetyl britannilactone

Preparation and determination of 1-O-acetylbritannilactone in Inula Britannica L.[Pubmed: 16498983]


To prepare reference substance for quality control of Inula Britannica L., 1-O-Acetyl britannilactone was extracted and separated from chloroform extraction of Inula Britannica L. Chemical structure of the 1-O-acetylbritannilactone product was elucidated by ultraviolet spectrometry (UV), infrared spectroscopy (IR), nuclear magnetic resonance (NMR) and mass spectrometry (MS), and the results were in agreement with the reference. The purity of the 1-O-Acetyl britannilactone product was 99.5%, which satisfies the need of reference substances of traditional Chinese medicines. A method of high performance liquid chromatography-evaporative light scattering detection (HPLC-ELSD) is described for the determination of 1-O-Acetyl britannilactone in Inula Britannica L. The chromatographic conditions include Hypersil ODS-2 column, a mixture of methanol-water (52: 48, v/v) with the flow rate of 1.0 mL/min used as mobile phase. The temperature of drift tube of the ELSD was 90 degrees C. Flow rate of carrier gas was 2.5 L/min. Linear range of 1-O-Acetyl britannilactone was 1.37 - 8.21 microLg (r = 0.999 8). The average recovery of 1-O-acetylbritannilactone was 100.2% with the relative standard deviation (RSD) of 1.3% (n = 6). The method is simple, accurate, time saving and reproducible.

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