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Screening compounds

DPOFA

Also known as ((5,6-Dichloro-9a-n-propyl-2,3,9,9a-tetrahydro-3-oxo-1H-fluren-7-yl)oxy)acetic acid, Acetic acid, ((5,6-dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl-1H-fluoren-7-yl)oxy)-, (R)-, Acetic acid, (((9aR)-5,6-dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl-1H-fluoren-7-yl)oxy)-

CAS 81997-33-3Formula C18H18Cl2O4Molar mass 369.24 g/mol
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DPOFA chemical structure, C18H18Cl2O4, CAS 81997-33-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
81997-33-3
Formula
C18H18Cl2O4
Molar mass
369.24 g/mol
HS code
291899
Category
Screening compounds

What is DPOFA?

Plain description, key identifiers and synonyms

DPOFA is a chemical substance with the molecular formula C18H18Cl2O4 and a molar mass of 369.24 g/mol. Its CAS registry number is 81997-33-3. The IUPAC name is 2-[[(8aR)-3,4-dichloro-6-oxo-8a-propyl-8,9-dihydro-7H-fluoren-2-yl]oxy]acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[[(8aR)-3,4-dichloro-6-oxo-8a-propyl-8,9-dihydro-7H-fluoren-2-yl]oxy]acetic acid
CAS number
81997-33-3 CAS number cross-checked
Molecular formula
C18H18Cl2O4
UNII
SC0Y88002K
InChIKey
ALFVAHDVPGFPIK-GOSISDBHSA-N
InChI
InChI=1S/C18H18Cl2O4/c1-2-4-18-5-3-11(21)7-12(18)15-10(8-18)6-13(16(19)17(15)20)24-9-14(22)23/h6-7H,2-5,8-9H2,1H3,(H,22,23)/t18-/m1/s1
Canonical SMILES
CCCC12CCC(=O)C=C1c1c(cc(OCC(=O)O)c(Cl)c1Cl)C2
Isomeric SMILES
CCC[C@]12CCC(=O)C=C1C3=C(C(=C(C=C3C2)OCC(=O)O)Cl)Cl

Synonyms

  • ((5,6-Dichloro-9a-n-propyl-2,3,9,9a-tetrahydro-3-oxo-1H-fluren-7-yl)oxy)acetic acid
  • Acetic acid, ((5,6-dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl-1H-fluoren-7-yl)oxy)-, (R)-
  • Acetic acid, (((9aR)-5,6-dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl-1H-fluoren-7-yl)oxy)-
  • 2-[[(8aR)-3,4-dichloro-6-oxo-8a-propyl-8,9-dihydro-7H-fluoren-2-yl]oxy]acetic acid
  • ((5,6-Dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl-1H-fluoren-7-yl)oxy)acetic acid
  • (R)-2-((5,6-dichloro-3-oxo-9a-propyl-2,3,9,9a-tetrahydro-1H-fluoren-7-yl)oxy)acetic acid
  • ((5,6-Dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl-1H-fluoren-7-yl)oxy)acetic acid, d-
  • {[(9aR)-5,6-Dichloro-3-oxo-9a-propyl-2,3,9,9a-tetrahydro-1H-fluoren-7-yl]oxy}acetic acid
  • Acetic acid, (((9ar)-5,6-dichloro-2,3,9,9a-tetrahydro-3-oxo-9a-propyl- 1H-fluoren-7-yl)oxy)-

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
369.24 g/molcalc.
Exact mass
368.0582 Dacalc.
LogP (octanol/water)
4.55calc.
Topological polar surface area
63.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
5calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.44calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C2c3ccccc3CC2CC1

O=C1C=C2c3ccccc3CC2CC1

3 rings, 14 atoms.

5 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.

DPOFA suppliers

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DPOFA 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

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 DPOFA is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is DPOFA?

DPOFA is a chemical substance with the molecular formula C18H18Cl2O4 and a molar mass of 369.24 g/mol. Its CAS registry number is 81997-33-3. The IUPAC name is 2-[[(8aR)-3,4-dichloro-6-oxo-8a-propyl-8,9-dihydro-7H-fluoren-2-yl]oxy]acetic acid.

What is the CAS number of DPOFA?

The CAS registry number of DPOFA is 81997-33-3.

What is the molecular formula and weight of DPOFA?

The molecular formula of DPOFA is C18H18Cl2O4 and its molar mass is 369.24 g/mol.

What is DPOFA used for?

Known uses and roles of DPOFA include building blocks in research and laboratory and screening compounds in research and laboratory.

Is DPOFA hazardous?

No GHS hazard classification for DPOFA 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 DPOFA?

DPOFA is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy DPOFA?

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

What is the price of DPOFA?

Suppliers quote DPOFA 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 DPOFA

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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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