Vihita Chem Pvt. Ltd. Manufactures 4-Chloro Guaicol. Vihita Chem Pvt. Ltd. Is the manufacturer and exporter of drugs & fragrance intermediates and speciality chemicals. The 4-Chloro Guaicol has CAS No.: 16766-30-6, Molecular Formulae: OHC6H3ClOCH3 and Mol. Wt: 158.5.