(CAS:20051-76-7), 98%min.

Guangzhou Topwork Chemical Co.,Ltd. specialize in manufacturing corticosteroid and relative intermediate. We also provide contract reseach & custom manufacture services.

Our strong API are: Fluticasone Propionate,Chlorambucil，Demecarium Bromide, Desonide, Desoximetasone,Diflorasone, Diflorasone diacetate, Diflucortolone valerate, Difluprednate, Fludrocortisone acetate, Flumethasone,Flumethasone acetate, Fluorometholone, Fluorometholone acetate, 9-fluoroprednisolone acetate, SelectFluor, Fludarabine Phosphate, 16a-hydroxy prednisolone, Loteprednol etabonate, Progesterone,Pregnenolone, Olopatadine HCL,Methyprednisolone aceponate, Aminopterinum,Prednicarbate, Prednisolone 17-valerate 21-acetate,Paliperidone,Trilostane,N-Fluorobenzenesulfonimide,Timolol Maleate,Aprepitant intermediate,Fulvestrant,Fulvestrant intermediate,Pentafluoropentanol,4,4,5,5,5-Pentafluoro-1-pentanethiol.

And Tannic Acid(Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid（3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4,5-trimethoxybenzoate， Plant Extract and so on.