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Merck

74776

Supelco

Withanolide A

analytical standard

Sinónimos:

(5α,6α,7α,22R)-6,7-Epoxy-5,20,22-trihydroxy-1-oxo-ergosta-2,24-dien-26-oic acid δ-lactone, Withaniol

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About This Item

Fórmula empírica (notación de Hill):
C28H38O6
Número de CAS:
Peso molecular:
470.60
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

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

SMILES string

CC1=C(C)C(=O)O[C@H](C1)[C@](C)(O)[C@H]2CC[C@H]3[C@H]4[C@H](CC[C@]23C)[C@@]5(C)C(=O)C=CC[C@]5(O)[C@H]6O[C@@H]46

InChI

1S/C28H38O6/c1-14-13-20(33-24(30)15(14)2)27(5,31)18-9-8-16-21-17(10-12-25(16,18)3)26(4)19(29)7-6-11-28(26,32)23-22(21)34-23/h6-7,16-18,20-23,31-32H,8-13H2,1-5H3/t16-,17-,18-,20+,21-,22-,23-,25-,26-,27+,28-/m0/s1

InChI key

DXWHOKCXBGLTMQ-SFQAJKIESA-N

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General description

Withanolide A is classified under the steroidal lactone group of bioactive compounds that are majorly found in Withania somnifera (L.).

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Withanolide A may be used as an analytical standard for the determination of withanolide A in:
  • Mentat tablet, an Indian herbal medicine by UHPLC coupled to tandem mass spectrometry (MS/MS) operating with ESI, along with multivariate analysis.
  • Withania somnifera by ultra-high performance liquid chromatography-hybrid triple quadrupole linear ion trap mass spectrometer (UHPLC-QqQ LIT-MS) equipped with electrospray ionization (ESI) source and MRM detection, along with multivariate analysis as well as HPLC combined with diode array detector (DAD).
  • Withania coagulans by LC-QqQ-ESI-MS/MS.

Biochem/physiol Actions

C28-steroidal lactone that can induce nerve development and improve nervous system function. Potential therapeutic for neurologic disorders like Alzheimer′s and Parkinson′s disease. In primary rat cortical neurons, withanolide A significantly up-regulated IDE levels, a prominent enzyme involved in degrading amyloid β protein, which may help to clear excess amyloid β protein from an Alzheimer′s-inflicted brain.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Certificados de análisis (COA)

Lot/Batch Number

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Quantitative determination of multi markers in five varieties of Withania somnifera using ultra-high performance liquid chromatography with hybrid triple quadrupole linear ion trap mass spectrometer combined with multivariate analysis: Application to pharmaceutical dosage forms.
Chandra P, et al.
Journal of Pharmaceutical and Biomedical Analysis, 129, 419-426 (2016)
Determination of permeability, plasma protein binding, blood partitioning, pharmacokinetics and tissue distribution of Withanolide A in rats: A neuroprotective steroidal lactone.
Singh SK, et al.
Drug Development Research (2018)
Topical delivery of Withania somnifera crude extracts in niosomes and solid lipid nanoparticles.
Chinembiri TN, et al.
Pharmacognosy magazine, 13(3), S663-S663 (2017)
Sensitive quantification of six steroidal lactones in Withania coagulans extract by UHPLC electrospray tandem mass spectrometry.
Ali A, et al.
Steroids, 104(18), 176-181 (2015)
Quality control assessment of polyherbal formulation based on a quantitative determination multimarker approach by ultra high performance liquid chromatography with tandem mass spectrometry using polarity switching combined with multivariate analysis.
Chandra P, et al.
Journal of Separation Science, 38(18), 3183-3191 (2015)

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