Kresoxim-methyl

Also known as: BAS 490F, Stroby, Allegro, Mentor, Cygnus, Methyl (E)-α-(methoxyimino)-2-(2-methylphenoxymethyl)phenylacetate, Cresoxime-methyl, Methyl (2E)-(methoxyimino){2-[(2-methylphenoxy)methyl]phenyl}acetate, Methyl (E)-2-methoxyimino-2-[2-(o-tolyloxymethyl)phenyl]acetate

Kresoxim-methyl (CAS 143390-89-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C18H19NO4 and a molecular weight of 313.348 g/mol. Key properties include a melting point of 98-100°C, a boiling point of 429.4±47.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.2±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H351 — Suspected of causing cancer and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 143390-89-0
Jingsj CID: J-29585-9
Molecular Formula: C₁₈H₁₉NO₄
Molecular Weight: 313.348 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	98-100°C
Boiling Point	429.4±47.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	171.2±23.7 °C
Exact Mass	313.131409
PSA	57.12000
LogP	4.34
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.531

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Warning

H351 — Suspected of causing cancer
H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information	[1]. Roehl F. Binding of BAS 490 F to bc1-complex from yeast. Biochem Soc Trans. 1994;22(1):64S. [2]. Köhle H, et al. Biokinetic properties of BAS 490 F and some related compounds. Biochem Soc Trans. 1994;22(1):65S. [3]. Flampouri E, et al. Strobilurin fungicide kresoxim-methyl effects on a cancerous neural cell line: oxidant/antioxidant responses and in vitro migration. Toxicol Mech Methods. 2018;28(9):709-716.

Additional Information

[1]. Roehl F. Binding of BAS 490 F to bc1-complex from yeast. Biochem Soc Trans. 1994;22(1):64S. [2]. Köhle H, et al. Biokinetic properties of BAS 490 F and some related compounds. Biochem Soc Trans. 1994;22(1):65S. [3]. Flampouri E, et al. Strobilurin fungicide kresoxim-methyl effects on a cancerous neural cell line: oxidant/antioxidant responses and in vitro migration. Toxicol Mech Methods. 2018;28(9):709-716.

Customs & Trade Information

HS Code	2925290013
Summary	HS: 2925290013 (e)-methyl 2-(methoxyimino)-2-(2-((o-tolyloxy)methyl)phenyl)acetate Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:S(Registration certificate of import and export) Lowest tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Kresoxim-methyl?

The CAS number of Kresoxim-methyl is 143390-89-0.

What are the molecular formula and molecular weight of Kresoxim-methyl?

Kresoxim-methyl has molecular formula C18H19NO4 and molecular weight 313.348 g/mol.

Is Kresoxim-methyl hazardous?

Kresoxim-methyl has GHS signal word Warning and hazard statements H351 — Suspected of causing cancer; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Kresoxim-methyl?

For Kresoxim-methyl, Upstream Products: o-Cresol, Methanol, Chloromethane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Kresoxim-methyl (CAS 143390-89-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29585-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.