2021-12-24 Para-cyanophenol, also known as 4-cyanophenol, English name 4-cyanophenol, molecular formula is C7H4NO, molecular weight is 118.1133, CAS registration number is 767-00-0, used in the production of liquid crystal, medicine, dyes, pesticides, etc.Chinese name: paracyanophenolCyanophenol 4-cyanophenolN.