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Steroids and sterols

Butecort

Also known as Pregna-1,4-diene-3,20-dione, 21-(3,3-dimethyl-1-oxobutoxy)-6,9-difluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-, (6alpha,11beta,16alpha)-, Fluocinolone acetonide t-butylacetic ester

CAS 38965-31-0Formula C30H40F2O7Molar mass 550.64 g/mol
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Butecort chemical structure, C30H40F2O7, CAS 38965-31-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
38965-31-0
Formula
C30H40F2O7
Molar mass
550.64 g/mol
HS code
293722
Category
Steroids and sterols

What is Butecort?

Plain description, key identifiers and synonyms

Butecort is a chemical substance with the molecular formula C30H40F2O7 and a molar mass of 550.64 g/mol. Its CAS registry number is 38965-31-0. The IUPAC name is [2-[(1S,2S,4R,8S,9S,11S,12R,13S,19S)-12,19-difluoro-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] 3,3-dimethylbutanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[2-[(1S,2S,4R,8S,9S,11S,12R,13S,19S)-12,19-difluoro-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] 3,3-dimethylbutanoate
CAS number
38965-31-0
Molecular formula
C30H40F2O7
InChIKey
ABYHIIVPZPOTTD-WYBVKUDASA-N
InChI
InChI=1S/C30H40F2O7/c1-25(2,3)14-24(36)37-15-22(35)30-23(38-26(4,5)39-30)12-17-18-11-20(31)19-10-16(33)8-9-27(19,6)29(18,32)21(34)13-28(17,30)7/h8-10,17-18,20-21,23,34H,11-15H2,1-7H3/t17-,18-,20-,21-,23+,27-,28-,29-,30+/m0/s1
Canonical SMILES
CC(C)(C)CC(=O)OCC(=O)C12OC(C)(C)OC1CC1C3CC(F)C4=CC(=O)C=CC4(C)C3(F)C(O)CC12C
Isomeric SMILES
C[C@]12C[C@@H]([C@]3([C@H]([C@@H]1C[C@@H]4[C@]2(OC(O4)(C)C)C(=O)COC(=O)CC(C)(C)C)C[C@@H](C5=CC(=O)C=C[C@@]53C)F)F)O

Synonyms

  • Pregna-1,4-diene-3,20-dione, 21-(3,3-dimethyl-1-oxobutoxy)-6,9-difluoro-11-hydroxy-16,17-((1-methylethylidene)bis(oxy))-, (6alpha,11beta,16alpha)-
  • Fluocinolone acetonide t-butylacetic ester

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
550.64 g/molcalc.
Exact mass
550.2742 Dacalc.
LogP (octanol/water)
4.35calc.
Topological polar surface area
99.13 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
4calc.
Heavy atoms
39calc.
Rings
5calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.77calc.
Formal charge
0calc.
Stereocentres
9calc.
Lipinski rule of five
Passes (1 violation)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.

Butecort suppliers

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Butecort 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 Butecort is traded under.

HS 2937.22Indicative HS code

Halogenated derivatives of corticosteroidal hormones

World exports in 2024
$1.65B
−29.3% vs 2023, imports $1.67B
2019 to 2024
Top exporters
  1. United Kingdom69.1%
  2. Italy7.8%
  3. Singapore5.6%
Top importers
  1. United States64.5%
  2. Spain5.1%
  3. United Kingdom3.7%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Butecort, based on the data on this page

What is Butecort?

Butecort is a chemical substance with the molecular formula C30H40F2O7 and a molar mass of 550.64 g/mol. Its CAS registry number is 38965-31-0.

What is the CAS number of Butecort?

The CAS registry number of Butecort is 38965-31-0.

What is the molecular formula and weight of Butecort?

The molecular formula of Butecort is C30H40F2O7 and its molar mass is 550.64 g/mol.

Is Butecort hazardous?

No GHS hazard classification for Butecort 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 Butecort?

Butecort is usually classified under HS code 293722 (Halogenated derivatives of corticosteroidal hormones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Butecort?

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What is the price of Butecort?

Suppliers quote Butecort 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 Butecort

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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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