8-O-Acetylharpagide

Min.Order / FOB Price:Get Latest Price

10 Milligram	Negotiable

10 Milligram

Negotiable

Min.Order :10 Milligram
Purity: ≥98%
Payment Terms : T/T

Keywords

8-O-Acetylharpagide 6926-14-3 standard supplier in China

Quick Details

Appearance:detailed see specifications
Application:analysis,activity test,Botanical Reference Materials,Standard materials
PackAge:According to the clients requirement.
ProductionCapacity:1|Metric Ton|Day
Storage:Store at 2~8°C
Transportation:by air or by ocean shipping

Superiority:

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine，Traditional Chinese Medicine), Natural Active Pharmaceutical Ingredients worldwide. From small quantities for R&D or reference standard, to large quantities for customizing or manufacturing, Biopurify emphasizes on consistent and reliable services for his customers.
With excellent quality products and good service, we have clients from more than dozens countries and regions, and we pride ourselves in providing our customers with a total satisfaction experiences.
We are doing our best to be your reliable partner for high quality Phytochemicals and Reference Standards from china.

Our main services:
A. Supply active ingredients and reference standards ofTraditional Chinese Medicine, from mgs to kgs scale.
B. Custom extraction and purification, target Herb Active Ingredients
C. Custom synthesis and semi-synthesis for Natural Active Ingredients
D. CR, CM and PD services from lab scale, pilot scale to commercial scale(GMP is also available)
E.Traditional Chinese Medicine compounds library

1.Provide traditional Chinese medicine reference materials and natural active ingredients;
2.More than 2200 compounds are available for selection, continuously building high-quality natural product libraries for drug research and development;
3.Provide various screening libraries and more inhibitor products;
4.Provide separation and structural determination of natural products;
5.Laboratory scale pilot to commercial scale collaborative research and process development services.More than 180 experiences in phytochemistry (still increasing)
Each product has passed very strict testing (NMR/MS/HPLC)
Agents from many countries

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.

Details:

Chemical Properties of 8-O-Acetylharpagide

Cas No.	6926-14-3	SDF
PubChem ID	5459146	Appearance	Powder
Formula	C₁₇H₂₆O₁₁	M.Wt	406.4
Type of Compound	Iridoids	Storage	Desiccate at -20°C
Synonyms	Harpagide 8-acetate
Solubility	Soluble in DMSO and methanol; insoluble in water
Chemical Name	[(1S,4aS,5R,7S,7aS)-4a,5-dihydroxy-7-methyl-1-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1,5,6,7a-tetrahydrocyclopenta[c]pyran-7-yl] acetate
SMILES	CC(=O)OC1(CC(C2(C1C(OC=C2)OC3C(C(C(C(O3)CO)O)O)O)O)O)C
Standard InChIKey	CAFTUQNGDROXEZ-CDZVNVNZSA-N
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 8-O-Acetylharpagide

1 Caryopteris sp. 2 Lagochilus sp. 3 Scrophularia sp. 4 Stachys sp. 5 Teucrium sp.

Biological Activity of 8-O-Acetylharpagide

Description	8-O-Acetylharpagide has anti-inflammatory, vasoconstrictor, antibacteria and antiviral activities, it also has a biological activity on isolated smooth muscle preparations from guinea pig. 8-O-Acetylharpagide presents the obvious inhibition on Epstein-Barr virus(EBV) infection, it not only apparently inhibits EBV-VCA,but also alleviates the hyperfunction and effusion of capillary permeability at the early inflammation.
Targets	Antifection
In vitro	Vasoconstrictor activity of 8-O-acetylharpagide from Ajuga reptans.[Pubmed: 1431938] J Nat Prod. 1992 Aug;55(8):1145-8. The traditional therapeutic indications for the use of Ajuga reptans (Labiatae) have been investigated. The H2O-soluble part of a crude and partially purified MeOH extract and two isolated iridoids (8-O-Acetylharpagide and harpagide), were tested for a biological activity on isolated smooth muscle preparations from guinea pig. 8-O-acetylharpagide is not an ecdysteroid agonist.[Pubmed: 11520686] Insect Biochem Mol Biol. 2001 Oct;31(11):1077-82. METHODS AND RESULTS: We have reinvestigated the activity of 8-O-Acetylharpagide, an iridoid glucoside, as an ecdysteroid agonist. Elbrecht et al. (Insect Biochem. Mol. Biol. 26 (1996) 519) isolated a preparation of this compound from Ajuga reptans L. and ascribed ecdysteroid agonist activity on the basis of the induction of an ecdysteroid-like response in Drosophila melanogaster KcO cells, the displacement of [3H]ponasterone A from the Drosophila receptor and the activation of an ecdysteroid-regulated gene in a transactivation assay. We provide evidence that the agonist activity derives from contaminating ecdysteroids; A. reptans is a species rich in ecdysteroids. CONCLUSIONS: Purified 8-O-Acetylharpagide is not active in the D. melanogaster B(II) cell bioassay, neither as an agonist nor as an antagonist, nor does it displace [3H]ponasterone A from dipteran or lepidopteran ecdysteroid receptor complexes.
In vivo	Pharmacokinetics of 8-O-acetylharpagide and harpagide after oral administration of Ajuga decumbens extract in beagle dog.[Pubmed: 24066603] Zhongguo Zhong Yao Za Zhi. 2013 Jun;38(12):2015-8. 8-O-Acetylharpagide and harpagide are two kinds of effective component of Ajuga decumbens extract. A sensitive LC-MS/MS method has been established for pharmacokinetics of 8-O-Acetylharpagide and harpagide in beagle dog after oral administration of from A. decumbens extract. METHODS AND RESULTS: Female beagle dogs received orally 12.9, 25.7 mg x kg(-1) p. o. Concentrations of 8-O-Acetylharpagide and harpagide in plasma were determined by LC-MS/MS method at different time points and all pharmacokinetic parameters were estimated by non-compartment analysis. The mobile phase consisted of 0.1% formic acid in water (A) and acetonitrile (B), which was run at a flow rate of 0.3 mL x min(-1). Chromatographic separation was achieved on an Agilent ZORBAX XDB-C18 column (2.1 mm x 50 mm, 3.5 microm) using a gradient elution of 5% B at 0-2 min, 95% B at 2. 1-5 min and 5% B at 5. 1-10 min. All analytes, including the IS, were monitored under positive ionization conditions and quantified in MRM mode with transitions of m/z 429.2-369.2 for 8-O-Acetylharpagide, m/z 387.2-207.2 for harpagide, and m/z 149.2-103.1 for IS. High purity nitrogen was employed as both the nebulizing and drying gas. Other parameters of the mass spectrometer were optimized as follows: drying gas flow 10.0 L x min(-1); drying gas temperature 300 degrees C; capillary voltage 4 000 V. Results showed that 8-O-Acetylharpagide and harpagide showed a dose-dependence profile. T(max) of 8-O-Acetylharpagide is 1.7 h, and T(max) of harpagide is 1.57 h, which was higher than T(max) of 8-O-Acetylharpagide and harpagide after oral administration of from A. decumbens extract in rats. CONCLUSIONS: The different pharmacokinetic parameters may be due to the species differences of rat and beagle dog.

Protocol of 8-O-Acetylharpagide

Animal Research

In Vivo and In Vitro Pharmacodynamics Study of 8-O-Acetylharpagide in the Prevention and Treatment of EB Viral Infection.[Reference: WebLink]

World Journal of Integrated Traditional & Western Medicine, 2013, 8(4):351-4.

To assess the pharmacodynamic effects of 8-O-Acetylharpagide in the prevention and treatment of Epstein-Barr virus(EBV)by in vivo and in vitro trial.
METHODS AND RESULTS:
The real-time fluorescent quantitative PCR(Real-time RT-PCR)technology was used to observe the inhibition of 8-O-Acetylharpagide on EBV viral capsid antigen(VCA)in B95-8 cell.By the intraperitoneal injection of acetic acid,the model of the increased celiac capillary permeability was prepared in mice for the detection of the inhibition of 8-O-Acetylharpagide on the hyperfunction and effusion of capillary permeability at the early inflammation. In the high-dose,middle-dose and low-dose groups,8-O-Acetylharpagide presented obvious inhibition on EBV-VCA in B95-8 separately(P0.01).In the high-dose and middle-dose groups,8-O-Acetylharpagide inhibited significantly the increased celiac capillary permeability in the mice induced by acetic acid(P0.01).
CONCLUSIONS:
8-O-Acetylharpagide presents the obvious inhibition on EBV infection.It not only apparently inhibits EBV-VCA,but also alleviates the hyperfunction and effusion of capillary permeability at the early inflammation.

Preparing Stock Solutions of 8-O-Acetylharpagide

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	2.4606 mL	12.3031 mL	24.6063 mL	49.2126 mL	61.5157 mL
5 mM	0.4921 mL	2.4606 mL	4.9213 mL	9.8425 mL	12.3031 mL
10 mM	0.2461 mL	1.2303 mL	2.4606 mL	4.9213 mL	6.1516 mL
50 mM	0.0492 mL	0.2461 mL	0.4921 mL	0.9843 mL	1.2303 mL
100 mM	0.0246 mL	0.123 mL	0.2461 mL	0.4921 mL	0.6152 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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