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Steroids and sterols

Flunisolide acetate

Also known as Flunisolide 21-acetate, Flunisolide acetate (USAN), 6alpha-Fluoro-11beta,16alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone, 21-acetate

CAS 4533-89-5Formula C26H33FO7Molar mass 476.54 g/molEC 224-871-3
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Flunisolide acetate chemical structure, C26H33FO7, CAS 4533-89-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4533-89-5
Formula
C26H33FO7
Molar mass
476.54 g/mol
EC number
224-871-3
HS code
293299
Category
Steroids and sterols

What is Flunisolide acetate?

Plain description, key identifiers and synonyms

Flunisolide acetate is a chemical substance with the molecular formula C26H33FO7 and a molar mass of 476.54 g/mol. Its CAS registry number is 4533-89-5. The IUPAC name is [2-[(1S,2S,4R,8S,9S,11S,12S,13R,19S)-19-fluoro-11-hydroxy-6,6,9,13-tetramethyl-16-oxo-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-8-yl]-2-oxoethyl] acetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[2-[(1S,2S,4R,8S,9S,11S,12S,13R,19S)-19-fluoro-11-hydroxy-6,6,9,13-tetramethyl-16-oxo-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-8-yl]-2-oxoethyl] acetate
CAS number
4533-89-5
EC number
224-871-3
Molecular formula
C26H33FO7
UNII
N225H64CIH
InChIKey
WEGNFRKBIKYVLC-XTLNBZDDSA-N
InChI
InChI=1S/C26H33FO7/c1-13(28)32-12-20(31)26-21(33-23(2,3)34-26)10-16-15-9-18(27)17-8-14(29)6-7-24(17,4)22(15)19(30)11-25(16,26)5/h6-8,15-16,18-19,21-22,30H,9-12H2,1-5H3/t15-,16-,18-,19-,21+,22+,24-,25-,26+/m0/s1
Canonical SMILES
CC(=O)OCC(=O)C12OC(C)(C)OC1CC1C3CC(F)C4=CC(=O)C=CC4(C)C3C(O)CC12C
Isomeric SMILES
CC(=O)OCC(=O)[C@@]12[C@@H](C[C@@H]3[C@@]1(C[C@@H]([C@H]4[C@H]3C[C@@H](C5=CC(=O)C=C[C@]45C)F)O)C)OC(O2)(C)C

Synonyms

  • Flunisolide 21-acetate
  • Flunisolide acetate (USAN)
  • 6alpha-Fluoro-11beta,16alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone, 21-acetate
  • RS 1320
  • Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-6-fluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-, (6alpha,11beta,16.alpha.)-
  • Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-6-fluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-, (6alpha,11beta,16alpha)-

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
476.54 g/molcalc.
Exact mass
476.221 Dacalc.
LogP (octanol/water)
2.85calc.
Topological polar surface area
99.13 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
3calc.
Heavy atoms
34calc.
Rings
5calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.73calc.
Formal charge
0calc.
Stereocentres
9calc.
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=CC2C(=C1)CCC1C2CCC2C1CC1OCOC12

O=C1C=CC2C(=C1)CCC1C2CCC2C1CC1OCOC12

5 rings, 21 atoms.

180 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.

Flunisolide acetate suppliers

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Where suppliers are based

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Flunisolide acetate 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 Flunisolide acetate is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Flunisolide acetate, based on the data on this page

What is Flunisolide acetate?

Flunisolide acetate is a chemical substance with the molecular formula C26H33FO7 and a molar mass of 476.54 g/mol. Its CAS registry number is 4533-89-5.

What is the CAS number of Flunisolide acetate?

The CAS registry number of Flunisolide acetate is 4533-89-5.

What is the molecular formula and weight of Flunisolide acetate?

The molecular formula of Flunisolide acetate is C26H33FO7 and its molar mass is 476.54 g/mol.

Is Flunisolide acetate hazardous?

No GHS hazard classification for Flunisolide acetate 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 Flunisolide acetate?

Flunisolide acetate is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Flunisolide acetate?

CompoundList lists 1 supplier of Flunisolide acetate in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Flunisolide acetate?

Suppliers quote Flunisolide acetate 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

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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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