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Aromatic building blocks

Florenal

Also known as 2-Fluorenoyl glyoxal, oxo(9-oxo-9h-fluoren-2-yl)acetaldehyde

CAS 42834-66-2Formula C15H8O3Molar mass 236.23 g/mol
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Florenal chemical structure, C15H8O3, CAS 42834-66-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
42834-66-2
Formula
C15H8O3
Molar mass
236.23 g/mol
HS code
291440
Category
Aromatic building blocks

What is Florenal?

Plain description, key identifiers and synonyms

Florenal is a chemical substance with the molecular formula C15H8O3 and a molar mass of 236.23 g/mol. Its CAS registry number is 42834-66-2. The IUPAC name is 2-oxo-2-(9-oxofluoren-2-yl)acetaldehyde.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-oxo-2-(9-oxofluoren-2-yl)acetaldehyde
CAS number
42834-66-2 CAS number cross-checked
Molecular formula
C15H8O3
InChIKey
ZABSXKJOMUONGB-UHFFFAOYSA-N
InChI
InChI=1S/C15H8O3/c16-8-14(17)9-5-6-11-10-3-1-2-4-12(10)15(18)13(11)7-9/h1-8H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C3=C(C2=O)C=C(C=C3)C(=O)C=O

Synonyms

  • 2-Fluorenoyl glyoxal
  • oxo(9-oxo-9h-fluoren-2-yl)acetaldehyde

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
236.23 g/molcalc.
Exact mass
236.0473 Dacalc.
LogP (octanol/water)
2.28calc.
Topological polar surface area
51.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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=C1c2ccccc2-c2ccccc21

O=C1c2ccccc2-c2ccccc21

3 rings, 14 atoms, the Fluorenone ring system.

595 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.

Florenal suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Florenal 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 Florenal is traded under.

HS 2914.40Indicative HS code

Ketone-alcohols and ketone-aldehydes

World exports in 2024
$199M
+2.5% vs 2023, imports $247M
2019 to 2024
Top exporters
  1. China29.5%
  2. Germany14.4%
  3. Netherlands12.7%
Top importers
  1. United States37.2%
  2. Netherlands8.5%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Florenal?

Florenal is a chemical substance with the molecular formula C15H8O3 and a molar mass of 236.23 g/mol. Its CAS registry number is 42834-66-2. The IUPAC name is 2-oxo-2-(9-oxofluoren-2-yl)acetaldehyde.

What is the CAS number of Florenal?

The CAS registry number of Florenal is 42834-66-2.

What is the molecular formula and weight of Florenal?

The molecular formula of Florenal is C15H8O3 and its molar mass is 236.23 g/mol.

What is Florenal used for?

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

Is Florenal hazardous?

No GHS hazard classification for Florenal 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 Florenal?

Florenal is usually classified under HS code 291440 (Ketone-alcohols and ketone-aldehydes). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Florenal?

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

What is the price of Florenal?

Suppliers quote Florenal 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 Florenal

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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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