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4-Hydroxy-2-methylbenzenesulfonic acid ammonium

Virus Protease Inhibitor

4-Hydroxy-2-methylbenzenesulfonic acid ammonium is an impurity of Policresulen, a potent inhibitor of the NS2B/NS3 viral protease with an IC50 value of 0.48 μg/mL. Policresulen demonstrates significant antiviral activity, effectively inhibiting the replication of the DENV2 virus in BHK-21 cells, with an IC50 of 4.99 μg/mL. It functions as a competitive inhibitor of the protease and has been shown to slightly impact the stability of the protease, making it relevant for antiviral research applications.

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Specifications

Manufacturer	Adooq Bioscience
Actions	Inhibitor
CAS Number	2742982-16-5
Applications	Virus Protease Inhibitor
Formula	C₇H₁₁NO₄S
Molecular Weight	205.23
SMILES	O=S(C1=CC=C(O)C=C1C)(O)=O.N

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.