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Fenpyrazone

HPPD Inhibitor

Fenpyrazone is a selective inhibitor of 4-hydroxyphenylpyruvate dioxygenase (HPPD), serving as an effective post-emergence herbicide. This compound disrupts carotenoid biosynthesis in target plants, leading to chlorosis of new tissues and eventual necrosis, effectively controlling the growth of susceptible weed species. Fenpyrazone is particularly valuable in research focused on managing both annual monocotyledonous and dicotyledonous weeds in summer maize cultivation.

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Specifications

Manufacturer	Adooq Bioscience
Actions	Inhibitor
CAS Number	1992017-55-6
Applications	HPPD Inhibitor
Formula	C₂₂H₂₂ClF₃N₄O₆S
Molecular Weight	562.95
SMILES	O=C(C1=CN(C)N=C1C)OC2=C(C(C3=CC=C(S(=O)(C)=O)C(COCC(F)(F)F)=C3Cl)=O)C=NN2CC

Storage & Solubility

In Vitro Solubility

Reported Solubility

No reported solubility data are available for this product.

Preparing Stock Solutions

Stock preparation is unavailable for this product molecular weight.

Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.

Storage

Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.