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Antibiotics and anti-infectives

Pyrrolnitrin

Also known as Pyrrolnitrine, Pyroace, Pirrolnitrina

CAS 1018-71-9Formula C10H6Cl2N2O2Molar mass 257.08 g/molEC 213-812-7
GHS signal word: Warning. Pictograms: Harmful or irritant 2 suppliers listed
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Pyrrolnitrin chemical structure, C10H6Cl2N2O2, CAS 1018-71-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1018-71-9
Formula
C10H6Cl2N2O2
Molar mass
257.08 g/mol
EC number
213-812-7
HS code
293399
Category
Antibiotics and anti-infectives

What is Pyrrolnitrin?

Plain description, key identifiers and synonyms

Pyrrolnitrin is a member of the class of pyrroles carrying chloro and 3-chloro-2-nitrophenyl substituents at positions 3 and 4 respectively. It has a role as a bacterial metabolite and an antifungal drug. It is an alkaloid, a member of pyrroles, a C-nitro compound and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-chloro-4-(3-chloro-2-nitrophenyl)-1H-pyrrole
CAS number
1018-71-9 CAS number cross-checked
EC number
213-812-7
Molecular formula
C10H6Cl2N2O2
UNII
N0P24B6EDQ
MDL number
MFCD00865605
InChIKey
QJBZDBLBQWFTPZ-UHFFFAOYSA-N
InChI
InChI=1S/C10H6Cl2N2O2/c11-8-3-1-2-6(10(8)14(15)16)7-4-13-5-9(7)12/h1-5,13H
SMILES (canonical and isomeric)
C1=CC(=C(C(=C1)Cl)[N+](=O)[O-])C2=CNC=C2Cl

Synonyms

  • Pyrrolnitrine
  • Pyroace
  • Pirrolnitrina
  • 3-Chloro-4-(3-chloro-2-nitrophenyl)pyrrole
  • Pyrrolnitrinum
  • 3-chloro-4-(3-chloro-2-nitrophenyl)-1H-pyrrole
  • 3-Chloro-4-(2'-nitro-3'-chlorophenyl)pyrrole
  • 3-Chloro-4-(3-chloro-2-nitro-phenyl)-1H-pyrrole
  • 1H-Pyrrole, 3-chloro-4-(3-chloro-2-nitrophenyl)-
  • Pyrollnitrin
  • FR 005759
  • Pyrrole, 3-chloro-4-(3-chloro-2-nitrophenyl)-
  • 3-Chloro-4-(3-chloro-2-nitrophenyl)pyrrole, 3-Chloro-4-(3-chloro-2-nitrophenyl)pyrrole
  • Pirrolnitrin
  • Pyrrolnitrin?
  • 5-20-07-00373 (Beilstein Handbook Reference)
  • Pyrrolnitrin (JP17/USAN/INN)
  • 3-chloro-4-(3-chloro-2-nitrophenyl)-pyrrol
  • Pyrrole,3-chloro-4-(3-chloro-2-nitrophenyl)-
  • Pyrrolnitrin from Pseudomonas cepacia, >=98% (HPLC), solid
  • Pyrrolnitrin, 3-Chloro-4-(3-chloro-2-nitrophenyl)pyrrole_HCD30

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
257.08 g/molcalc.
Exact mass
255.9806 Dacalc.
LogP (octanol/water)
3.9calc.
Topological polar surface area
58.93 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
2calc.
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, c1ccc(-c2cc[nH]c2)cc1

c1ccc(-c2cc[nH]c2)cc1

2 rings, 11 atoms, the 3-Phenyl-1H-pyrrole ring system.

551 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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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).
  • 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

Pyrrolnitrin suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Pyrrolnitrin price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industries and functions

Pharmacological actions

  • Antifungal Agents

Roles

  • antifungal agent
  • antifungal drug
  • antiinfective agent
  • antimicrobial agent
  • bacterial metabolite
  • metabolite
  • pharmaceutical
  • prokaryotic metabolite

Pharmacology

Pyrrolnitrin is a pyrrole antifungal agent isolated from several Pseudomonas species. Pyrrolnitrin interrupts the terminal electron transport system and inhibits cellular respiration. This agent has activity against dermatophytic fungi, especially species of Trichophyton.

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 Pyrrolnitrin is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Pyrrolnitrin?

Pyrrolnitrin is a member of the class of pyrroles carrying chloro and 3-chloro-2-nitrophenyl substituents at positions 3 and 4 respectively. It has a role as a bacterial metabolite and an antifungal drug. It is an alkaloid, a member of pyrroles, a C-nitro compound and a member of monochlorobenzenes.

What is the CAS number of Pyrrolnitrin?

The CAS registry number of Pyrrolnitrin is 1018-71-9.

What is the molecular formula and weight of Pyrrolnitrin?

The molecular formula of Pyrrolnitrin is C10H6Cl2N2O2 and its molar mass is 257.08 g/mol.

What is Pyrrolnitrin used for?

Known uses and roles of Pyrrolnitrin include antifungals in pharmaceuticals, antifungal agent, antifungal drug, antiinfective agent, antimicrobial agent and 5 more.

Is Pyrrolnitrin hazardous?

Pyrrolnitrin carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pyrrolnitrin?

Pyrrolnitrin is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pyrrolnitrin?

CompoundList lists 2 suppliers of Pyrrolnitrin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pyrrolnitrin?

Suppliers quote Pyrrolnitrin 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 Pyrrolnitrin

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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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