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Steroids and sterols

Withanolide E

Also known as 14,17,20-Trihydroxy-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione, Ergosta-2, 5,6-epoxy-14,17,20,22-tetrahydroxy-1-oxo-, gamma-lactone, (22R)-14,17,20-Trihydroxy-5beta,6beta,17alpha-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione

CAS 38254-15-8Formula C28H38O7Molar mass 486.61 g/mol
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Withanolide E chemical structure, C28H38O7, CAS 38254-15-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
38254-15-8
Formula
C28H38O7
Molar mass
486.61 g/mol
HS code
293220
Category
Steroids and sterols

What is Withanolide E?

Plain description, key identifiers and synonyms

Withanolide E has been reported in Physalis peruviana and Withania somnifera.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1S,2R,7S,9R,11R,12R,15S,16S)-15-[(1S)-1-[(2R)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]-1-hydroxyethyl]-12,15-dihydroxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadec-4-en-3-one
CAS number
38254-15-8 CAS number cross-checked
Molecular formula
C28H38O7
InChIKey
RUVPNJSJTWTANE-LFCBYZEKSA-N
InChI
InChI=1S/C28H38O7/c1-15-13-20(34-22(30)16(15)2)25(5,31)28(33)12-11-26(32)18-14-21-27(35-21)9-6-7-19(29)24(27,4)17(18)8-10-23(26,28)3/h6-7,17-18,20-21,31-33H,8-14H2,1-5H3/t17-,18+,20+,21+,23-,24-,25-,26+,27+,28-/m0/s1
Canonical SMILES
CC1=C(C)C(=O)OC(C(C)(O)C2(O)CCC3(O)C4CC5OC56CC=CC(=O)C6(C)C4CCC32C)C1
Isomeric SMILES
CC1=C(C(=O)O[C@H](C1)[C@@](C)([C@@]2(CC[C@@]3([C@@]2(CC[C@H]4[C@H]3C[C@@H]5[C@]6([C@@]4(C(=O)C=CC6)C)O5)C)O)O)O)C

Synonyms

  • 14,17,20-Trihydroxy-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione
  • Ergosta-2, 5,6-epoxy-14,17,20,22-tetrahydroxy-1-oxo-, gamma-lactone
  • (22R)-14,17,20-Trihydroxy-5beta,6beta,17alpha-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione
  • Ergosta-2, 5,6-epoxy-14,17,20,22-tetrahydroxy-1-oxo-, gamma-lactone, (5beta,6beta,17alpha,22R)-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
486.61 g/molcalc.
Exact mass
486.2618 Dacalc.
LogP (octanol/water)
2.75calc.
Topological polar surface area
116.6 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
2calc.
Heavy atoms
35calc.
Rings
6calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.79calc.
Formal charge
0calc.
Stereocentres
10calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=CCC(CC2CCC3C2CCC2C3CC3OC34CC=CC(=O)C24)O1

O=C1C=CCC(CC2CCC3C2CCC2C3CC3OC34CC=CC(=O)C24)O1

6 rings, 27 atoms.

31 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Withanolide E suppliers

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Withanolide E price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Withanolide E is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Withanolide E is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Withanolide E, based on the data on this page

What is Withanolide E?

Withanolide E has been reported in Physalis peruviana and Withania somnifera.

What is the CAS number of Withanolide E?

The CAS registry number of Withanolide E is 38254-15-8.

What is the molecular formula and weight of Withanolide E?

The molecular formula of Withanolide E is C28H38O7 and its molar mass is 486.61 g/mol.

Is Withanolide E hazardous?

No GHS hazard classification for Withanolide E is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Withanolide E?

Withanolide E is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Withanolide E?

Post a free request on CompoundList and suppliers of Withanolide E will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Withanolide E?

Suppliers quote Withanolide E on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Withanolide E

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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