Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 150-76-5, Whether you call it 4-Methoxyphenol, Hydroquinone Monomethyl Ether , p-Hydroxyanisole or Mequinol you can be assured the 4-Methoxyphenol products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.