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Fungicides

Strobilurin B

Also known as methyl (2E,3Z,5E)-6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylidene)-3-methylhexa-3,5-dienoate, 3,5-Hexadienoic acid, 6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methyl-, methyl ester, (2E,3Z,5E)-, (2E,3Z,5E)-Methyl 6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methylhexa-3,5-dienoate

CAS 65105-52-4Formula C17H19ClO4Molar mass 322.79 g/mol
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Strobilurin B chemical structure, C17H19ClO4, CAS 65105-52-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
65105-52-4
Formula
C17H19ClO4
Molar mass
322.79 g/mol
HS code
291899
Category
Fungicides

What is Strobilurin B?

Plain description, key identifiers and synonyms

Strobilurin B is an enoate ester that is the methyl ester of (2E,3Z,5E)-6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methylhexa-3,5-dienoic acid. It has a role as an antifungal agent, a mitochondrial cytochrome-bc1 complex inhibitor and a fungal metabolite. It is a monomethoxybenzene, an enol ether, an enoate ester, a member of monochlorobenzenes and a methoxyacrylate strobilurin antifungal agent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
methyl (2E,3Z,5E)-6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylidene)-3-methylhexa-3,5-dienoate
CAS number
65105-52-4 CAS number cross-checked
Molecular formula
C17H19ClO4
UNII
GM0W1U88IR
MDL number
MFCD28899102
InChIKey
ZDIQYKMDNQULMX-PJUQCDRASA-N
InChI
InChI=1S/C17H19ClO4/c1-12(14(11-20-2)17(19)22-4)6-5-7-13-8-9-15(18)16(10-13)21-3/h5-11H,1-4H3/b7-5+,12-6-,14-11+
Canonical SMILES
COC=C(C(=O)OC)C(C)=CC=Cc1ccc(Cl)c(OC)c1
Isomeric SMILES
C/C(=C/C=C/C1=CC(=C(C=C1)Cl)OC)/C(=C\OC)/C(=O)OC

Synonyms

  • methyl (2E,3Z,5E)-6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylidene)-3-methylhexa-3,5-dienoate
  • 3,5-Hexadienoic acid, 6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methyl-, methyl ester, (2E,3Z,5E)-
  • (2E,3Z,5E)-Methyl 6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methylhexa-3,5-dienoate
  • methyl (2E,3Z,5E)-6-(4-chloro-3-methoxy-phenyl)-2-(methoxymethylene)-3-methyl-hexa-3,5-dienoate
  • methyl (2E,3Z,5E)-6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methylhexa-3,5-dienoate

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
322.79 g/molcalc.
Exact mass
322.0972 Dacalc.
LogP (octanol/water)
4.01calc.
Topological polar surface area
44.76 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
6calc.
Heavy atoms
22calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.24calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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.

Strobilurin B suppliers

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Strobilurin B 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

Pharmacological actions

  • Fungicides, Industrial

Roles

  • antifungal agent
  • antimicrobial agent
  • cytochrome-bc1 complex inhibitor
  • electron-transport chain inhibitor
  • enzyme inhibitor
  • eukaryotic metabolite
  • fungal metabolite
  • metabolite
  • mitochondrial cytochrome-bc1 complex inhibitor
  • mitochondrial respiratory-chain inhibitor
  • pathway inhibitor
  • respiratory-chain inhibitor

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 Strobilurin B is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Strobilurin B, based on the data on this page

What is Strobilurin B?

Strobilurin B is an enoate ester that is the methyl ester of (2E,3Z,5E)-6-(4-chloro-3-methoxyphenyl)-2-(methoxymethylene)-3-methylhexa-3,5-dienoic acid. It has a role as an antifungal agent, a mitochondrial cytochrome-bc1 complex inhibitor and a fungal metabolite.

What is the CAS number of Strobilurin B?

The CAS registry number of Strobilurin B is 65105-52-4.

What is the molecular formula and weight of Strobilurin B?

The molecular formula of Strobilurin B is C17H19ClO4 and its molar mass is 322.79 g/mol.

What is Strobilurin B used for?

Known uses and roles of Strobilurin B include fungicides in agriculture and crop protection, antifungal agent, antimicrobial agent, cytochrome-bc1 complex inhibitor, electron-transport chain inhibitor and 9 more.

Is Strobilurin B hazardous?

No GHS hazard classification for Strobilurin B 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 Strobilurin B?

Strobilurin B is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Strobilurin B?

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

What is the price of Strobilurin B?

Suppliers quote Strobilurin B 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 Strobilurin B

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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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