CompoundList
Sign in
Aromatic building blocks

Fluorenone oxime

Also known as 9-Fluorenone oxime, 9-Oximinofluorene, Fluorenone-9-oxime

CAS 2157-52-0Formula C13H9NOMolar mass 195.22 g/molEC 218-471-8
4 suppliers listed
Get quotes Compare 4 suppliers
Fluorenone oxime chemical structure, C13H9NO, CAS 2157-52-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2157-52-0
Formula
C13H9NO
Molar mass
195.22 g/mol
EC number
218-471-8
HS code
292800
Category
Aromatic building blocks

What is Fluorenone oxime?

Plain description, key identifiers and synonyms

Fluorenone oxime is a chemical substance with the molecular formula C13H9NO and a molar mass of 195.22 g/mol. Its CAS registry number is 2157-52-0. The IUPAC name is N-fluoren-9-ylidenehydroxylamine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-fluoren-9-ylidenehydroxylamine
CAS number
2157-52-0 CAS number cross-checked
EC number
218-471-8
Molecular formula
C13H9NO
UNII
BQN5AH5VZJ
MDL number
MFCD00016356
InChIKey
CRNNFEKVPRFZKJ-UHFFFAOYSA-N
InChI
InChI=1S/C13H9NO/c15-14-13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)13/h1-8,15H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C3=CC=CC=C3C2=NO

Synonyms

  • 9-Fluorenone oxime
  • 9-Oximinofluorene
  • Fluorenone-9-oxime
  • Fluoren-9-one, oxime
  • 9H-Fluoren-9-one oxime
  • N-fluoren-9-ylidenehydroxylamine
  • fluoren-9-one oxime
  • 9H-Fluoren-9-one, oxime
  • N-(9H-Fluoren-9-ylidene)hydroxylamine
  • 9-(hydroxyimino)fluorene
  • 9H-Fluoren-9-oneoxime
  • fluorenonoxim
  • 9-Fluorenone, oxime
  • N-hydroxy-9H-fluoren-9-imine
  • N-fluoren-9-ylidene-hydroxylamine
  • 4-07-00-01631 (Beilstein Handbook Reference)

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
195.22 g/molcalc.
Exact mass
195.0684 Dacalc.
LogP (octanol/water)
2.89calc.
Topological polar surface area
32.59 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
15calc.
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, N=C1c2ccccc2-c2ccccc21

N=C1c2ccccc2-c2ccccc21

3 rings, 14 atoms, the 9-Iminofluorene ring system.

118 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.

Fluorenone oxime suppliers

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

All 4 suppliers
4 of 4 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

4 suppliers in 3 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Fluorenone oxime price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 Fluorenone oxime is traded under.

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Fluorenone oxime, based on the data on this page

What is Fluorenone oxime?

Fluorenone oxime is a chemical substance with the molecular formula C13H9NO and a molar mass of 195.22 g/mol. Its CAS registry number is 2157-52-0. The IUPAC name is N-fluoren-9-ylidenehydroxylamine.

What is the CAS number of Fluorenone oxime?

The CAS registry number of Fluorenone oxime is 2157-52-0.

What is the molecular formula and weight of Fluorenone oxime?

The molecular formula of Fluorenone oxime is C13H9NO and its molar mass is 195.22 g/mol.

What is Fluorenone oxime used for?

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

Is Fluorenone oxime hazardous?

No GHS hazard classification for Fluorenone oxime 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 Fluorenone oxime?

Fluorenone oxime is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fluorenone oxime?

CompoundList lists 4 suppliers of Fluorenone oxime in China, India and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Fluorenone oxime in India?

1 supplier in India list Fluorenone oxime on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Fluorenone oxime?

Suppliers quote Fluorenone oxime 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 Fluorenone oxime

Get quotes for Fluorenone oxime

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Fluorenone oxime
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Fluorenone oxime with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/fluorenone-oxime-2157-52-0" title="Fluorenone oxime structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 292800

4 suppliers
Free quotes, contact stays private
Get quotes