Withanolide A

Also known as: (20R,22R)-5α,20-Dihydroxy-6α,7α:22,26-diepoxyergosta-2,24-diene-1,26-dione, (22R)-6α,7α-Epoxy-5,20,22-trihydroxy-1-oxo-5α-ergosta-2,24-dien-26-oic acid δ-lactone, 5,20alpha-Dihydroxy-6alpha,7alpha-epoxy-1-oxowitha-2,24-dienolide, Withaniol, WITHANOLIDE A(P), WITHANOLIDE A(SH)

Withanolide A (CAS 32911-62-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C28H38O6 and a molecular weight of 470.59800 g/mol. Key properties include a melting point of 305℃ (DEC.), a boiling point of 651.6±55.0 °C(Predicted) and a density of 1.264. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 32911-62-9
Jingsj CID: J-1961561-9
Molecular Formula: C₂₈H₃₈O₆
Molecular Weight: 470.59800 g/mol
Category: Esters
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	305℃ (DEC.)
Boiling Point	651.6±55.0 °C(Predicted)
Density	1.264
Exact Mass	470.26700
PSA	96.36000
LogP	3.49540
Appearance	white
Storage Conditions	?20°C
Additional Property	methanol: soluble1mg/mL, clear, colorless

Activity & Biological Data

Additional Information	[1]. Kuboyama T, et al. Neuritic regeneration and synaptic reconstruction induced by withanolide A. Br J Pharmacol. 2005 Apr;144(7):961-71.

Frequently Asked Questions

What is the CAS number of Withanolide A?

The CAS number of Withanolide A is 32911-62-9.

What are the molecular formula and molecular weight of Withanolide A?

Withanolide A has molecular formula C28H38O6 and molecular weight 470.59800 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Withanolide A (CAS 32911-62-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961561-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.