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Screening compounds

Benfluron N-oxide

Also known as NOBF, Benfluron, N-oxide-, 7H-Benzo(c)fluoren-7-one, 5-(2-(dimethylamino)ethoxy)-, N-oxide

CAS 91416-10-3Formula C21H19NO3Molar mass 333.39 g/mol
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Benfluron N-oxide chemical structure, C21H19NO3, CAS 91416-10-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
91416-10-3
Formula
C21H19NO3
Molar mass
333.39 g/mol
HS code
291450
Category
Screening compounds

What is Benfluron N-oxide?

Plain description, key identifiers and synonyms

Benfluron N-oxide is a chemical substance with the molecular formula C21H19NO3 and a molar mass of 333.39 g/mol. Its CAS registry number is 91416-10-3. The IUPAC name is N,N-dimethyl-2-(7-oxobenzo[c]fluoren-5-yl)oxyethanamine oxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N,N-dimethyl-2-(7-oxobenzo[c]fluoren-5-yl)oxyethanamine oxide
CAS number
91416-10-3 CAS number cross-checked
Molecular formula
C21H19NO3
InChIKey
WCZAXBXVDLKQGV-UHFFFAOYSA-N
InChI
InChI=1S/C21H19NO3/c1-22(2,24)11-12-25-19-13-18-20(15-8-4-3-7-14(15)19)16-9-5-6-10-17(16)21(18)23/h3-10,13H,11-12H2,1-2H3
SMILES (canonical and isomeric)
C[N+](C)(CCOC1=CC2=C(C3=CC=CC=C31)C4=CC=CC=C4C2=O)[O-]

Synonyms

  • NOBF
  • Benfluron, N-oxide-
  • 7H-Benzo(c)fluoren-7-one, 5-(2-(dimethylamino)ethoxy)-, N-oxide
  • N,N-Dimethyl-2-[(7-oxo-7H-benzo[c]fluoren-5-yl)oxy]ethan-1-amine N-oxide

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
333.39 g/molcalc.
Exact mass
333.1365 Dacalc.
LogP (octanol/water)
4calc.
Topological polar surface area
49.36 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.19calc.
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-c2c1ccc1ccccc21

O=C1c2ccccc2-c2c1ccc1ccccc21

4 rings, 18 atoms, the 7H-Benzo[c]fluoren-7-one ring system.

28 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.

Benfluron N-oxide suppliers

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Benfluron N-oxide 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 Benfluron N-oxide is traded under.

HS 2914.50Indicative HS code

Ketone-phenols and ketones with other oxygen function

World exports in 2024
$438M
+10.9% vs 2023, imports $420M
2019 to 2024
Top exporters
  1. China50.5%
  2. India * partner reported11.6%
  3. United States11.3%
Top importers
  1. United States20.8%
  2. Germany10.0%
  3. Netherlands8.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Benfluron N-oxide, based on the data on this page

What is Benfluron N-oxide?

Benfluron N-oxide is a chemical substance with the molecular formula C21H19NO3 and a molar mass of 333.39 g/mol. Its CAS registry number is 91416-10-3. The IUPAC name is N,N-dimethyl-2-(7-oxobenzo[c]fluoren-5-yl)oxyethanamine oxide.

What is the CAS number of Benfluron N-oxide?

The CAS registry number of Benfluron N-oxide is 91416-10-3.

What is the molecular formula and weight of Benfluron N-oxide?

The molecular formula of Benfluron N-oxide is C21H19NO3 and its molar mass is 333.39 g/mol.

What is Benfluron N-oxide used for?

Known uses and roles of Benfluron N-oxide include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Benfluron N-oxide hazardous?

No GHS hazard classification for Benfluron N-oxide 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 Benfluron N-oxide?

Benfluron N-oxide is usually classified under HS code 291450 (Ketone-phenols and ketones with other oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Benfluron N-oxide?

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

What is the price of Benfluron N-oxide?

Suppliers quote Benfluron N-oxide 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 Benfluron N-oxide

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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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