CompoundList
Sign in
Screening compounds

Fenpirithrin

Also known as Dowco 417, DOWCO-417, Cyano(6-phenoxy-2-pyridinyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

CAS 68523-18-2Formula C21H18Cl2N2O3Molar mass 417.29 g/mol
Get quotes Safety data
Fenpirithrin chemical structure, C21H18Cl2N2O3, CAS 68523-18-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
68523-18-2
Formula
C21H18Cl2N2O3
Molar mass
417.29 g/mol
HS code
293339
Category
Screening compounds

What is Fenpirithrin?

Plain description, key identifiers and synonyms

Fenpirithrin is a chemical substance with the molecular formula C21H18Cl2N2O3 and a molar mass of 417.29 g/mol. Its CAS registry number is 68523-18-2. The IUPAC name is [cyano-(6-phenoxy-2-pyridinyl)methyl] 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[cyano-(6-phenoxy-2-pyridinyl)methyl] 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
CAS number
68523-18-2 CAS number cross-checked
Molecular formula
C21H18Cl2N2O3
UNII
X6EI42CYQ5
InChIKey
IHVPAVRHNZFQKC-UHFFFAOYSA-N
InChI
InChI=1S/C21H18Cl2N2O3/c1-21(2)14(11-17(22)23)19(21)20(26)28-16(12-24)15-9-6-10-18(25-15)27-13-7-4-3-5-8-13/h3-11,14,16,19H,1-2H3
SMILES (canonical and isomeric)
CC1(C(C1C(=O)OC(C#N)C2=NC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C

Synonyms

  • Dowco 417
  • DOWCO-417
  • Cyano(6-phenoxy-2-pyridinyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
  • Fenpirithrin (ANSI)
  • Fenpirithrin (ANSI:ISO)
  • Fenpyrithrin
  • Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, cyano(6-phenoxy-2-pyridinyl)methyl ester
  • [cyano-(6-phenoxypyridin-2-yl)methyl] 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
  • Cyano(6-phenoxypyridin-2-yl)methyl 3-(2,2-dichloroethen-1-yl)-2,2-dimethylcyclopropane-1-carboxylate

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
417.29 g/molcalc.
Exact mass
416.0694 Dacalc.
LogP (octanol/water)
5.57calc.
Topological polar surface area
72.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
6calc.
Heavy atoms
28calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.29calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (1 violation)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=C(OCc1cccc(Oc2ccccc2)n1)C1CC1

O=C(OCc1cccc(Oc2ccccc2)n1)C1CC1

3 rings, 20 atoms.

1 other chemical 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.

Fenpirithrin suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Fenpirithrin can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Fenpirithrin 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 Fenpirithrin 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 Fenpirithrin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Fenpirithrin?

Fenpirithrin is a chemical substance with the molecular formula C21H18Cl2N2O3 and a molar mass of 417.29 g/mol. Its CAS registry number is 68523-18-2. The IUPAC name is [cyano-(6-phenoxy-2-pyridinyl)methyl] 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate.

What is the CAS number of Fenpirithrin?

The CAS registry number of Fenpirithrin is 68523-18-2.

What is the molecular formula and weight of Fenpirithrin?

The molecular formula of Fenpirithrin is C21H18Cl2N2O3 and its molar mass is 417.29 g/mol.

What is Fenpirithrin used for?

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

Is Fenpirithrin hazardous?

No GHS hazard classification for Fenpirithrin 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 Fenpirithrin?

Fenpirithrin 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 Fenpirithrin?

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

What is the price of Fenpirithrin?

Suppliers quote Fenpirithrin 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 Fenpirithrin

Get quotes for Fenpirithrin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Fenpirithrin
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 Fenpirithrin 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/fenpirithrin-68523-18-2" title="Fenpirithrin 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 Screening compounds or HS code 293339

Price on request
Free quotes, contact stays private
Get quotes