Pharmaceutical Intermediates

P-cresol is a raw material for manufacturing antioxidant 2,6-di-tert-butyl-p-cresol and rubber antioxidant. It can be used as cresol formaldehyde resin and plasticizer in plastic industry, disinfectant in medicine, pesticide raw material, intermediate of fungicide methyl-2,6-di-tert-butyl-p-cresol and insecticide Fenvalerate and etherthrin, and also an important basic raw material of dye clonidine sulfonic acid.

This product is used as organic synthetic raw materials and analytical reagents, pharmaceutical intermediates, pesticides and organic synthetic intermediates

Colorless or yellow crystals or liquids with deliquescent properties. Soluble in ethanol and ether, soluble in water. It is chemically active and can undergo addition or condensation reactions with ammonia, amides, aldehydes, and carboxyl-containing compounds. Glyoxal is mainly used in the textile industry. As a fiber treatment agent, it can increase the shrinkage and wrinkle resistance of cotton, nylon and other fibers. It is a durable pressing finishing agent. In Japan, this use accounts for 80% of the total consumption of glyoxal. Glyoxal is an insoluble binder such as gelatin, animal glue, cheese, polyvinyl alcohol and starch. Glyoxal is also used in the leather industry and for making waterproof matches. Glyoxal is a raw material for organic synthesis. 2D-resin is obtained by heating and condensing acetaldehyde, urea and formaldehyde in the presence of sodium carbonate, which is used as fabric finishing agent; glyoxal reacts with formaldehyde and ammonium sulfate to synthesize imidazole, and then synthesize imidazole antifungal drug clotrimazole, Miconazole, etc.; Glyoxal and o-phenylenediamine cyclization to obtain benzopyrazine: it is an intermediate of the anti-tuberculosis drug pyrazinamide. Hydroxyphenyl acetic acid produced from glyoxal has been industrially produced in Japan and used as an intermediate for antibiotics and vitamin A series products. Glyoxal is also used in the synthesis of berberine hydrochloride and the sulfa drug sulfamethoxazine. It is also used in insecticides, deodorants, corpse preservatives, and sand curing agents.

Ganciclovir Sodium is a synthetic antiviral purine nucleoside analogue with antiviral activity, especially against cytomegalovirus (CMV).Used as an intermediate of antiviral drugs

This product is used as the intermediate of dye, pesticide and medicine. Its hydrochloride is the color base of ice dye. It is mainly used as the color developing agent for dyeing and printing of cotton, hemp and viscose fabrics. It can be used in medicine to prepare chlorpromazine, chloroquine phosphate, etc. It can also be used as insecticide intermediate.