Guangzhou Topwork Chemical Co., Ltd.

Guangzhou Topwork Chemical Co.,Ltd. specialize in manufacturing corticosteroid and relative intermediate. We also provide contract reseach & custom manufacture services.
Our strong API are: Cyclosporine, Fluticasone Propionate, Clascoterone, Aminopentamid Sulfate, Pergolide mesylate, Fluocinolone Acetonide, Chlorambucil, Romifidine Hydrochloride, Demecarium Bromide, Desonide, Flunisolide, Desoximetasone, Diflorasone, Finerenone, Tacrolimus, Rapamycin, Meloxicam, Diflucortolone valerate, Difluprednate, Fludrocortisone acetate, Flumethasone, Flumethasone acetate, Fluorometholone, Fluorometholone acetate, Isoflupredone acetate, SelectFluor, Fludarabine Phosphate, 16a-hydroxy prednisolone, Loteprednol etabonate,Dipivefrin Hydrochloride, Olopatadine HCL,Methyprednisolone aceponate, Prednicarbate, Romifidine Hydrochloride, Milbemycin oxime, Palonosetron HCL, Trilostane, Mupirocin, Timolol Maleate, Cidofovir, Fulvestrant, Nestoron, Finerenone, 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, 2,3,4-Trimethoxybenzaldehyde and so on.

• (+)-Cloprostenol sodium salt CAS: 62561-03-9
• (+/-)-Cloprostenol sodium salt CAS: 55028-72-3
• (+/-)-Verapamil hydrochloride CAS: 152-11-4
• (1R)-(+)-2,10-Camphorsultam CAS: 108448-77-7
• (1S)‐2,2‐difluorocyclopropane‐1‐carboxylic acid CAS: 1883301-82-3
• (2-Chloro-3-pyridinyl)methanol CAS: 42330-59-6
• (6a,11b,16a,17a)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid CAS: 28416-82-2
• (S)-(+)-3-Hydroxytetrahydrofuran CAS: 86087-23-2
• (S)-Timolol maleate CAS: 26921-17-5
• (Trifluoromethyl)trimethylsilane CAS: 81290-20-2
• 1-((1S,2S)-1-Cyano-2-methylcyclopropyl)-5-((S)-2,2-dimethyltetrahydro-2H-pyran-4-yl)-N-methyl-N-phenyl-1H-indole-2-carboxamide CAS: 2212021-81-1
• 1-((2S,3S)-2-(Benzyloxy)pentan-3-yl)-4-(4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)-1H-1,2,4-triazol-5(4H)-one CAS: 184177-83-1
• 1-(4-Fluorophenylcarbamoyl)cyclopropanecarboxylic acid CAS: 849217-48-7
• 1-(Thien-2-yl)piperidine CAS: 19983-20-1
• 1-Isopropyl-1H-pyrazole-5-boronic acid pinacol ester CAS: 1282518-60-8
• 1-Isopropylpyrazole CAS: 18952-87-9
• 1-Isopropylpyrazole-5-boronic acid CAS: 839714-33-9
• 1-Methyl-1H-imidazol-5-amine CAS: 66787-75-5
• 11alpha-Hydroxycanrenone CAS: 192569-17-8
• 11beta,16alpha,17alpha,21-Tetrahydroxypregna-1,4-diene-3,20-dione CAS: 13951-70-7

We are a leading custom speciality chemical manufacturer specializing in manufacturing corticosteroids.
• Contract Research and Development
We offer contract research in corticosteroid and other chemicals.