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Fungicides

Pyroquilon

Also known as Coratop, Pyroquilone, Fongorene

CAS 57369-32-1Formula C11H11NOMolar mass 173.22 g/molEC 611-516-6
GHS signal word: Warning. Pictograms: Harmful or irritant 3 suppliers listed
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Pyroquilon chemical structure, C11H11NO, CAS 57369-32-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
57369-32-1
Formula
C11H11NO
Molar mass
173.22 g/mol
EC number
611-516-6
HS code
293379
Category
Fungicides

What is Pyroquilon?

Plain description, key identifiers and synonyms

Pyroquilon is a pyrroloquinoline that is 1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline in which the hydrogens at position 4 are replaced by an oxo group. A fungicide used to control rice blast, it is not approved wof use within the European Union. It has a role as a melanin synthesis inhibitor and an antifungal agrochemical. It is a pyrroloquinoline and a delta-lactam.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-trien-11-one
CAS number
57369-32-1 CAS number cross-checked
EC number
611-516-6
Molecular formula
C11H11NO
UNII
WS195Z0WJH
MDL number
MFCD00662883
InChIKey
XRJLAOUDSILTFT-UHFFFAOYSA-N
InChI
InChI=1S/C11H11NO/c13-10-5-4-8-2-1-3-9-6-7-12(10)11(8)9/h1-3H,4-7H2
SMILES (canonical and isomeric)
C1CC(=O)N2CCC3=CC=CC1=C32

Synonyms

  • Coratop
  • Pyroquilone
  • Fongorene
  • Fongoren
  • Lilolidone
  • 1,2,5,6-Tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one
  • Fungorene
  • 1,2,5,6-Tetrahydropyrrolo[3,2,1-ij]quinolin-4-one
  • 1,2,5,6-Tetrahydro-4H-pyrrolo(3,2,1-ij)quinolin-4-one
  • 1,2,5,6-Tetrahydropyrrolo(3,2,1-ij)quinolin-4-one
  • 4H-Pyrrolo(3,2,1-ij)quinolin-4-one, 1,2,5,6-tetrahydro-
  • 4H-Pyrrolo[3,2,1-ij]quinolin-4-one, 1,2,5,6-tetrahydro-
  • 1-azatricyclo(6.3.1.0^(4,12))dodeca-4(12),5,7-trien-11-one
  • 1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7-trien-11-one
  • 1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-trien-11-one
  • 5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-4(2H)-one
  • Pyroquilone [ISO-French]
  • CGA 49104
  • 4-Oxolilidine
  • 4-Lilolidone
  • Pyroquilon, BSI, ISO
  • 5-21-08-00337 (Beilstein Handbook Reference)
  • 1,2,5,6-Tetrahydro-4H-pyrrolo(3,2,1-ij)quinolin-4-one (9CI)
  • Pyroquilon 10 microg/mL in Cyclohexane
  • Pyroquilon, PESTANAL(R), analytical standard
Show all 34 synonyms
  • Pyroquilon, CE30, XRJLAOUDSILTFT-UHFFFAOYSA-N
  • 1,2,5,6-Tetrahydro-pyrrolo[3,2,1-ij]quinolin-4-one
  • 1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline-4-one
  • 1,2,5,6-Tetrahydro-4H-pyrrolo[3,2,1-ij]quinolin-4-one #
  • 1-azatricyclo[6.3.1.0(1)(2)]dodeca-4(12),5,7-trien-11-one
  • 1-azatricyclo[6.3.1.0,4,12]dodeca-4(12),5,7-trien-11-one
  • 4-Oxo-1,2,5,6-tetrahydro-4H-pyrrolo(3,2,1-ij)quinoline
  • 1-Azatricyclo[6.3.1.0^(4.1.2)]dodeca-4(12),5,7-trien-11-one
  • 1-azatricyclo[6.3.1.0 upper and lower left quadrants75% shaded block]dodeca-4(12),5,7-trien-11-one

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
173.22 g/molcalc.
Exact mass
173.0841 Dacalc.
LogP (octanol/water)
1.52calc.
Topological polar surface area
20.31 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
13calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.36calc.
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=C1CCc2cccc3c2N1CC3

O=C1CCc2cccc3c2N1CC3

3 rings, 13 atoms. This chemical is the scaffold itself.

42 other chemicals share 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.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (6)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Pyroquilon suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 2 countries

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Pyroquilon 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

Roles

  • agrochemical
  • antifungal agent
  • antifungal agrochemical
  • antimicrobial agent
  • depigmentation drug
  • fungicide
  • melanin synthesis inhibitor
  • pesticide
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-131-00-9

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pyroquilon is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Pyroquilon?

Pyroquilon is a pyrroloquinoline that is 1,2,5,6-tetrahydro-4H-pyrrolo[3,2,1-ij]quinoline in which the hydrogens at position 4 are replaced by an oxo group. A fungicide used to control rice blast, it is not approved wof use within the European Union.

What is the CAS number of Pyroquilon?

The CAS registry number of Pyroquilon is 57369-32-1.

What is the molecular formula and weight of Pyroquilon?

The molecular formula of Pyroquilon is C11H11NO and its molar mass is 173.22 g/mol.

What is Pyroquilon used for?

Known uses and roles of Pyroquilon include fungicides in agriculture and crop protection, agrochemical, antifungal agent, antifungal agrochemical, antimicrobial agent and 5 more.

Is Pyroquilon hazardous?

Pyroquilon carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pyroquilon?

Pyroquilon is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pyroquilon?

CompoundList lists 3 suppliers of Pyroquilon in United States and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Pyroquilon in India?

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

What is the price of Pyroquilon?

Suppliers quote Pyroquilon 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

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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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