Vihita Chem Pvt. Ltd. Offers 4-Bromo Phenetole. Vihita Chem Pvt. Ltd. Is the manufacturer and exporter of drugs & fragrance intermediates and speciality chemicals. CAS No. Of this 4-Bromo Phenetole is 588-96-5. Its Molecular Formulae: BrC6H4OC2H5, Mol. Wt: 201.07 and Assay: 99percent min. This appears in clear to pale yellow colour. This 4-Bromo Phenetole is available in 25 Kgs, 50 Kgs HDPE Carboys.