Carfentrazone-ethyl

Cat. No.: HY-W351546: Data Sheet
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Carfentrazone-ethyl is a selective post-emergence herbicide and protoporphyrinogen oxidase (Protox) inhibitor, with an I₅₀ value of 18 nM against soybean Protox. Carfentrazone-ethyl causes severe damage to target weeds (ivy-leaved morning glory, velvetleaf).

For research use only. We do not sell to patients.

Carfentrazone-ethyl Chemical Structure

CAS No. : 128639-02-1

Size	Stock	Quantity
25 mg	In-stock	Estimated Time of Arrival: December 31
50 mg	In-stock	Estimated Time of Arrival: December 31
100 mg	In-stock	Estimated Time of Arrival: December 31
200 mg	Get quote
500 mg	Get quote

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Other Forms of Carfentrazone-ethyl:

Carfentrazon-ethyl-d₅ In-stock

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Biological Activity
Purity & Documentation
References
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Description

In Vitro

Carfentrazone-ethyl (1-10000 nM; 15 min) potently inhibits protoporphyrinogen oxidase in etioplasts of soybean, with an I₅₀ value of 18 nM^[1].
Carfentrazone-ethyl (100 nM; 30 min) competes with [¹⁴C]aciñuorfen for binding to soybean etioplast protoporphyrinogen oxidase, with a binding constant of 258 nM^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Carfentrazone-ethyl (2.2-9 g AI ha^-1) causes severe injury to target weeds (ivy-leaved morning glory, velvetleaf)^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model:	Glycine max cv. Hutcheson; Ipomoea hederacea (L.) Jacq.; Abutilon theophrasti Medicus (14 days old, grown from seeds in greenhouse pots)^[1]
Dosage:	2.2 g AI ha^-1; 9 g AI ha^-1
Administration:	foliar spray; single post-emergence application
Result:	Caused 94% foliar injury to ivyleaf morningglory, 100% foliar injury to velvetleaf, and 37% foliar injury to soybean at 7 days after treatment with 2.2 g AI ha^-1. Caused 100% foliar injury to ivyleaf morningglory, 100% foliar injury to velvetleaf, and 51% foliar injury to soybean at 7 days after treatment with 9 g AI ha^-1. Caused 92% foliar injury to ivyleaf morningglory, 98% foliar injury to velvetleaf, and 19% foliar injury to soybean at 14 days after treatment with 2.2 g AI ha^-1. Caused 98% foliar injury to ivyleaf morningglory, 100% foliar injury to velvetleaf, and 36% foliar injury to soybean at 14 days after treatment with 9 g AI ha^-1. Reduced ivyleaf morningglory height by 84% and velvetleaf height by 96% relative to controls at 7 days after treatment with 2.2 g AI ha^-1. Reduced ivyleaf morningglory height by 99% and velvetleaf height by 100% relative to controls at 7 days after treatment with 9 g AI ha^-1. Showed no significant difference in soybean height relative to controls at either dose or time point.

Molecular Weight

412.19

Formula

C₁₅H₁₄Cl₂F₃N₃O₃

CAS No.

128639-02-1

Appearance

Liquid

SMILES

O=C(OCC)C(Cl)CC1=CC(=C(F)C=C1Cl)N2N=C(N(C2=O)C(F)F)C

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Pure form	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Purity & Documentation

Data Sheet (270 KB) SDS (252 KB) Handling Instructions (2659 KB)

References

[1]. Dayan F E, et al. Selectivity and mode of action of carfentrazone‐ethyl, a novel phenyl triazolinone herbicide[J]. Pesticide Science, 1997, 51(1): 65-73.