Skip to Content
Merck

89910

Withaferin A

analytical standard

Synonym(s):

4β,5β,6β,22R)-5,6-Epoxy-4,22,27-trihydroxy-1-oxo-ergosta-2,24-dien-26-oic acid δ-lactone, Withaferine

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C28H38O6
CAS Number:
Molecular Weight:
470.60
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
85151701
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


grade

analytical standard

Quality Level

assay

≥95.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

storage temp.

2-8°C

SMILES string

C[C@H]([C@H]1CC(C)=C(CO)C(=O)O1)[C@H]2CC[C@H]3[C@@H]4C[C@H]5O[C@]56[C@@H](O)C=CC(=O)[C@]6(C)[C@H]4CC[C@]23C

InChI

1S/C28H38O6/c1-14-11-21(33-25(32)17(14)13-29)15(2)18-5-6-19-16-12-24-28(34-24)23(31)8-7-22(30)27(28,4)20(16)9-10-26(18,19)3/h7-8,15-16,18-21,23-24,29,31H,5-6,9-13H2,1-4H3/t15-,16-,18+,19-,20-,21+,23-,24+,26+,27-,28+/m0/s1

InChI key

DBRXOUCRJQVYJQ-CKNDUULBSA-N

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

This compound is commonly found in plants of the genus: withania


Still not finding the right product?

Explore all of our products under Withaferin A


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

438.8 °F

flash_point_c

226 °C



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library



Wim Vanden Berghe et al.
Biochemical pharmacology, 84(10), 1282-1291 (2012-09-18)
Herbal medicine which involves the use of plants for their medicinal value, dates as far back as the origin of mankind and demonstrates an array of applications including cardiovascular protection and anti-cancer activities, via antioxidant, anti-inflammatory and metabolic activities. Even
Boris Grin et al.
PloS one, 7(6), e39065-e39065 (2012-06-22)
Withaferin A (WFA) is a steroidal lactone present in Withania somnifera which has been shown in vitro to bind to the intermediate filament protein, vimentin. Based upon its affinity for vimentin, it has been proposed that WFA can be used
Stephanie M Cohen et al.
American journal of surgery, 204(6), 895-900 (2012-12-13)
Sorafenib (SO), a multikinase-targeted inhibitor in clinical trials for papillary and anaplastic cancers, shows limited efficacy with moderate toxicity. Withaferin A (WA), a natural withanolide, shows potent preclinical anticancer activity in thyroid cancers through multiple cytotoxic mechanisms including heat-shock protein