Auxiliary

P-bromotrifluoromethyltoluene and p-trifluoromethylphenol are important pharmaceutical and pesticide intermediates, which can be widely used in the synthesis of a variety of new anticancer drugs, as well as pesticides and herbicides.

Sulisobenzone is approved by the FDA in concentrations of up to 10% and in Canada, is approved by Health Canada at the same concentrations. It works to filter out both UVA and UVB rays, protecting the skin from sun UV damage. The UV-filter substance, sulisobenzone (BP-4) is widely used an ingredient in sunscreens and other personal care products,. It falls under the drug category of benzophenones. The benzophenones are a group of aromatic ketones that have both pharmaceutical and industrial applications. Benzophenones may be found organically in fruits such as grapes. Benzophenones are used as photoinitiators, fragrance enhancers, ultraviolet curing agents, and, occasionally, as flavor ingredients; they are also used in the manufacture of insecticides, agricultural chemicals, and pharmaceuticals and as an additive for plastics, coatings, and adhesives. As a group, benzophenones may be used to delay photodegradation or extend shelf life in toiletries and plastic surface coatings.

It is mainly used in the whitening of synthetic fiber, EVA, PVC, plastic and rubber. It can be used in the whitening of plastic film, compression molding materials and injection molding materials.

Cladribine is a purine analogue and antineoplastic agent used primarily in the therapy of hairy cell leukemia. Cladribine is typically given intravenously daily for 7 days, usually as a single course, and has not been associated with serum enzyme elevations during therapy or with instances of clinically apparent acute liver injury with jaundice. Cladribine is 2'-Deoxyadenosine in which the hydrogen at position 2 on the purine ring has been substituted by chlorine. It inhibits the synthesis and repair of DNA, particularly in lymphocytes and monocytes, and is used as an antimetabolite antineoplastic drug for the treatment of lymphoid malignancies including hairy-cell leukaemia and chronic lymphocytic leukaemia. It has a role as an antineoplastic agent and an immunosuppressive agent. It is a purine 2'-deoxyribonucleoside and an organochlorine compound.

VAT black 25 is mainly used for dyeing cotton fibers. It has medium levelness and good affinity. It is generally used for dyeing dark gray and variegated colors. It is also used for dyeing silk, wool and polyester cotton fabrics.