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8-epi-Helenalin
8-epi-Helenalin
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name 8-epi-Helenalin
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CAS No.: 97643-91-9
Catalog No.: CFN91510
Molecular Formula: C15H18O4
Molecular Weight: 262.3 g/mol
Purity: >=98%
Type of Compound: Sesquiterpenoids
Physical Desc.: Powder
Source: The herbs of Carpesium abrotanoides
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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* Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
Our products had been exported to the following research institutions and universities, And still growing.
  • Institute of Tropical Disease U... (Indonesia)
  • Worcester Polytechnic Institute (USA)
  • VIB Department of Plant Systems... (Belgium)
  • Subang Jaya Medical Centre (Malaysia)
  • Universidade da Beira Interior (Germany)
  • National Cancer Center Research... (Japan)
  • Nanjing University of Chinese M... (China)
  • University of Hertfordshire (United Kingdom)
  • Cancer Research Initatives Foun... (Malaysia)
  • Johannes Gutenberg University M... (Germany)
  • University of Auckland (New Zealand)
  • More...
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: 8-epi-Helenalin is a semitterpene lactone with anti-tumor activity that can be isolated from Inula britannicaL. var. chinensis (Rupr.) Reg. and the ED50 values of 8-epi-Helenalin for HL-60, A549, MCF7, HCT-15, SK-OV-3 and Malme-3M are 12.2 μM, 53.8 μM, 9.1 μM, 8.7 μM, 18.7 μM and 8.3 μM, respectively. 8-epi-Helenalin can be used for anti-tumor studies.
8-epi-Helenalin Description
Source: The herbs of Carpesium abrotanoides
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

PMID: 29328914

Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

Mol Cell. 2017 Nov 16;68(4):673-685.e6.
doi: 10.1016/j.molcel.2017.10.022.
IF=14.548(2019)

PMID: 29149595

ACS Nano. 2018 Apr 24;12(4): 3385-3396.
doi: 10.1021/acsnano.7b08969.
IF=13.903(2019)

PMID: 29553709

Nature Plants. 2016 Dec 22;3: 16206.
doi: 10.1038/nplants.2016.205.
IF=13.297(2019)

PMID: 28005066

Sci Adv. 2018 Oct 24;4(10): eaat6994.
doi: 10.1126/sciadv.aat6994.
IF=12.804(2019)

PMID: 30417089
Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.8124 mL 19.0621 mL 38.1243 mL 76.2486 mL 95.3107 mL
5 mM 0.7625 mL 3.8124 mL 7.6249 mL 15.2497 mL 19.0621 mL
10 mM 0.3812 mL 1.9062 mL 3.8124 mL 7.6249 mL 9.5311 mL
50 mM 0.0762 mL 0.3812 mL 0.7625 mL 1.525 mL 1.9062 mL
100 mM 0.0381 mL 0.1906 mL 0.3812 mL 0.7625 mL 0.9531 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Forsythoside A

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CAS No: 79916-77-1
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Hydrangenol

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CAS No: 480-47-7
Price: $ /
Arctigenin 4'-O-beta-gentiobioside

Catalog No: CFN90714
CAS No: 41682-24-0
Price: $268/5mg
Apigenin-7-glucuronide

Catalog No: CFN98500
CAS No: 29741-09-1
Price: $80/20mg
(+)-Lyoniresinol 9'-O-glucoside

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CAS No: 87585-32-8
Price: $318/10mg
Arctiin

Catalog No: CFN99991
CAS No: 20362-31-6
Price: $30/20mg
Atractylenolide III

Catalog No: CFN99946
CAS No: 73030-71-4
Price: $70/20mg
Kojic acid

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Price: $40/20mg
N-p-Coumaroyloctopamine

Catalog No: CFN97706
CAS No: 66648-45-1
Price: $218/10mg
Shikonin

Catalog No: CFN99907
CAS No: 517-88-4
Price: $50/20mg
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