Phenylmethyl Sulphonyl Fluoride is a chemically defined substance with the molecular formula C7H7FO2S and a molecular weight of 174.19. This compound belongs to the Sulphonylhalides and Fluorine compounds, organic classes. It serves as an inhibitor of various proteases, including serin proteases such as chymotrypsin, trypsin, and thrombin, as well as the dystin-protease papain. Its structure allows it to reversibly inhibit cysteine-proteases. Due to its toxic nature, it carries the hazard signal word Danger, and appropriate precautions should be taken when handling it, such as wearing safety goggles and gloves.

• CAS Number: 329-98-6
• Exact Mass: 174.01507880
• Molecular Formula: C7H7FO2S
• Molecular Weight: 174.19
• GHS Signal Word: Danger
• Hazard Statements:
• H301: Toxic if swallowed [Danger Acute toxicity, oral]