Papyracillic acid is a fungal metabolite and a derivative of penicillic acid originally isolated fromL. papyraceumand has antibiotic, antifungal, and phytotoxic activities.1,2It is active against the bacteriaX. campestrisandB. subtilisand the fungusC. tropicalisin a disc assay when used at a concentration of 5 μg/disc.2Papyracillic acid (1 mg/ml) induces necrotic lesion formation in a panel of 10 plants.

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C11H14O5

226.23

Papyracillic Acid

Methanol:Soluble
DMSO:Soluble
Ethanol:Soluble
Dichloromethane:Soluble
Powder: -20°C for 3 years
In solvent: -80°C for 2 years