CompoundList
Sign in
Heterocyclic building blocks

Prt-4165

Also known as 1,3-Indandione, 2-(3-pyridylmethylene)-, 2-(3-Pyridinylmethylene)-1H-Indene-1,3(2H)-dione, 1H-Indene-1,3(2H)-dione, 2-(3-pyridinylmethylene)-

CAS 31083-55-3Formula C15H9NO2Molar mass 235.24 g/molEC 979-691-4
GHS signal word: Warning. Pictograms: Harmful or irritant 3 suppliers listed
Get quotes Compare 3 suppliers
Prt-4165 chemical structure, C15H9NO2, CAS 31083-55-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
31083-55-3
Formula
C15H9NO2
Molar mass
235.24 g/mol
EC number
979-691-4
HS code
293339
Category
Heterocyclic building blocks

What is Prt-4165?

Plain description, key identifiers and synonyms

Prt-4165 is a chemical substance with the molecular formula C15H9NO2 and a molar mass of 235.24 g/mol. Its CAS registry number is 31083-55-3. The IUPAC name is 2-(pyridin-3-ylmethylidene)indene-1,3-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(pyridin-3-ylmethylidene)indene-1,3-dione
CAS number
31083-55-3 CAS number cross-checked
EC number
979-691-4
Molecular formula
C15H9NO2
UNII
J625FJL5DX
MDL number
MFCD00435709
InChIKey
OMHZFEWYVFWVLI-UHFFFAOYSA-N
InChI
InChI=1S/C15H9NO2/c17-14-11-5-1-2-6-12(11)15(18)13(14)8-10-4-3-7-16-9-10/h1-9H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C(=O)C(=CC3=CN=CC=C3)C2=O

Synonyms

  • 1,3-Indandione, 2-(3-pyridylmethylene)-
  • 2-(3-Pyridinylmethylene)-1H-Indene-1,3(2H)-dione
  • 1H-Indene-1,3(2H)-dione, 2-(3-pyridinylmethylene)-
  • 1,3-Dioxo-2-(3-pyridylmethylene)indan
  • 2-Pyridin-3-ylmethylene-indan-1,3-dione
  • 2-(3-Pyridylmethylene)-1,3-indandione
  • 5-21-11-00435 (Beilstein Handbook Reference)
  • 2-(pyridin-3-ylmethylidene)-1H-indene-1,3(2H)-dione
  • 2-[(pyridin-3-yl)methylidene]-2,3-dihydro-1H-indene-1,3-dione
  • 2-(3-Pyridylmethylene)cyclopenta(1,2-a)benzene-1,3-dione
  • 2-(3-pyridylmethylene)cyclopenta[1,2-a]benzene-1,3-dione
  • 2-((pyridin-3-yl)methylidene)-2,3-dihydro-1H-indene-1,3-dione
  • PRT 4165
  • 2-(pyridin-3-ylmethylene)-1H-indene-1,3(2H)-dione
  • PRT4165, >=98% (HPLC)
  • (2E)-2-(pyridin-3-ylmethylidene)-2,3-dihydro-1H-indene-1,3-dione
  • 2-(pyridin-3-ylmethylidene)indene-1,3-dione
  • 2-(pyridin-3-ylmethylidene)-2,3-dihydro-1H-indene-1,3-dione
  • BAS 00534732
  • 2-pyridine-3-yl-methylene-indan-1,3-dione
  • PRT4165NSC-600157?
  • 2-(3-pyridylmethylene)indane-1,3-dione
  • PRT4165 (NSC-600157)
  • (1R,5S)-8-Methyl-8-azabicyclo[3.
  • PRT4165, PRT-4165, PRT 4165
Show all 26 synonyms
  • 2-[(Pyridin-3-yl)methylidene]-1H-indene-1,3(2H)-dione

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
235.24 g/molcalc.
Exact mass
235.0633 Dacalc.
LogP (octanol/water)
2.54calc.
Topological polar surface area
47.03 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
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=C1C(=Cc2cccnc2)C(=O)c2ccccc21

O=C1C(=Cc2cccnc2)C(=O)c2ccccc21

3 rings, 18 atoms. This chemical is the scaffold itself.

No other chemical in our database has this scaffold.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Prt-4165 suppliers

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

All 3 suppliers

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

3 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

Prt-4165 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 Prt-4165 is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

The HS code shown for Prt-4165 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Prt-4165, based on the data on this page

What is Prt-4165?

Prt-4165 is a chemical substance with the molecular formula C15H9NO2 and a molar mass of 235.24 g/mol. Its CAS registry number is 31083-55-3. The IUPAC name is 2-(pyridin-3-ylmethylidene)indene-1,3-dione.

What is the CAS number of Prt-4165?

The CAS registry number of Prt-4165 is 31083-55-3.

What is the molecular formula and weight of Prt-4165?

The molecular formula of Prt-4165 is C15H9NO2 and its molar mass is 235.24 g/mol.

What is Prt-4165 used for?

Known uses and roles of Prt-4165 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Prt-4165 hazardous?

Prt-4165 carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Prt-4165?

Prt-4165 is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Prt-4165?

CompoundList lists 3 suppliers of Prt-4165 in China, Germany and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Prt-4165?

Suppliers quote Prt-4165 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 Prt-4165

Get quotes for Prt-4165

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Prt-4165
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 Prt-4165 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/prt-4165-31083-55-3" title="Prt-4165 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 Heterocyclic building blocks or HS code 293339

3 suppliers
Free quotes, contact stays private
Get quotes