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Guangzhou Top work Chemical Co., Ltd. Specializes in manufacturing corticosteroid and relative intermediates. We provide high quality products and excellent service to our clients and have gained a high business reputation in the world market.

Top work gathers a group of energetic, hardworking and much experienced experts. They dedicate their entire efforts to research and development of new products.

To guarantee the quality of our products, we have established an internationally standardized quality control system. All of our products conform the latest standard of USP, EP and CP.Get in touch with us and make us your reliable source.We can provide products as below:4AD
Androsta-4-ene-3,17-dione  CAS: 63-05-8
ADD(Androsta-1,4-diene-3,17-dione)  CAS: 897-06-3

Alclomethasone-17,21-dipropionate  CAS: 66734-13-2

Algestone   CAS: 595-77-7

Algestone acetonide  CAS: 4968-09-6

Algestone Acetophonide  CAS: 24356-94-3

Betamethasone Dipropionate  CAS: 5593-20-4

Betamethasone valerate  CAS: 2152-44-5

Budesonide  CAS: 51333-22-3

Ciclesonide  CAS: 126544-47-6

Clocortolone  CAS: 4828-27-7

Clobetasone Butyrate  CAS: 25122-57-0

Deflazacort  CAS: 14484-47-0

Deprodone  CAS : 20423-99-8

Desonide  CAS : 638-94-8

Desoximetasone  CAS : 382-67-2

Diflorasone  CAS: 2557-49-5

Diflorasone diacetate  CAS : 33564-31-7

Diflucortolone  CAS : 2607-06-9

Diflucortolone valerate  CAS : 59198-70-8

6-alpha-fluoro-isoflupredone  CAS : 806-29-1

Difluprednate  CAS : 23674-86-4

Fludrocortisone  CAS : 127-31-1

Fludrocortisone Acetate  CAS : 514-36-3

Fludroxycortide  CAS : 1524-88-5

Flumethasone  CAS : 2135-17-3

Flumethasone Acetate  CAS: 2823-42-9

Flumethasone Pivalate  CAS: 2002-29-1

Flunisolide  CAS : 3385-03-3

Fluorometholone  CAS : 426-13-1

Fluorometholone acetate   CAS: 3801-06-7

Fluocortolone  CAS : 152-97-6

9alpha-Fluoro-11beta,16alpha,17alpha,21-tetrahydroxy-pregna-4-ene-3,20-dione cyclic16,17-acetal with acetone  CAS : 1524-86-3

Fluoxymesterone  CAS : 76-43-7

6alpha-Fluprednisolone  CAS : 53-34-9

6alpha-Fluprednisolone acetate  CAS : 570-36-5

Fluticasone Propionate  CAS : 80474-14-2

Halcinonide  CAS : 3039-35-4

Halobetasol Propionate  CAS : 66852-54-8

Halometasone  CAS : 50629-82-8

16alpha-hydroxy-prednisolone  CAS : 13951-70-7

16alpha-hydroxy-prednisolone acetate  CAS : 86401-80-1

Loteprednol etabonate  CAS : 82034-46-6

16-Meprednisone  CAS : 1247-42-3

Meprednisone Acetate   CAS:1106-03-2

Methylprednisolone acetate  CAS : 53-36-1

Methylprednisolone aceponate  CAS: 86401-95-8

Methyltestosterone  CAS: 58-18-4

Mometasone Furoate  CAS: 83919-23-7

Prednicarbate  CAS: 73771-04-7

16-Alpha Methyl Epoxide  CAS: 24916-90-3

16-Beta Methyl Epoxide  CAS: 981-34-0

Testosterone Propionate  CAS: 57-85-2

Triamcinolone diacetate  CAS: 67-78Esomeprazole    CAS: 119141-88-7Fludarabine phosphate    CAS: 75607-67-9Pimobendan     CAS: 74150-27-9Zonisamide      CAS: 68291-97-4

Sales Terms & Specifications:

Model No.426-7-13-1
Place Of OriginChina
Brand NameGuangzhou Topwork Chemical
Price TermsFOB / CIF / EXW(Factory Price)
Terms Of PaymentT/T
Supply Ability200 Kilogram per Month
Minimum Order100 Gram
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Relative Products


EstroneEstroneMolecular Formula: C18H22O2 Molecular Weigh: 270.371 CAS NO: 53-16-7Standard: USP30Appearance:white or almost white powde


EstradiolEstradiolMF:C18H24O2MW:272.38 CAS:50-28-2 Content:99%Properties:white crystalline powder


17alpha-Oestradiol17alpha-Oestradiol Synonyms: epiestradial; CAS: 57-91-0 EINECS: 200-023-8 Assay: 98% min.Standard: USP34Packing: foil bag or tin

Cyproterone acetate

Cyproterone acetateCyproterone acetate English Synonyms: 1,2-alpha-methylene-6-chloro-delta-(sup4,6)-pregnadiene-17-alpha-ol-3,20-dio;1,2-alpha-met

Megestrol acetate

Megestrol acetateMegestrol acetate English Synonyms: 17-(acetyloxy)-6-methylpregna-4,6-diene-3,20-dione;17-Acetoxy-6-methylpregna-4,6-diene-3,20-


NorethisteroneNorethisterone Molecular Formula C20H26O2 Molecular Weight 298.42 CAS NO.:68-22-4 Package: according to clients' requirement Sta


EthinylestradiolEthinylestradiol CAS NO: 57-63-6 Molecular Weight: 296.41 Molecular Formula: C20H24O2 Standard: USP28

Ethynodiol diacetate

Ethynodiol diacetateEthynodiol diacetate Molecular Formula: C6H6O4 Formula Weight: 142.11 CAS:297-76-7 Appearance white fine powder Packing:5kg/drum

Chlormadinone acetate

Chlormadinone acetateChlormadinone acetate CAS: 302-22-7 Standard: CP2000, JP13 Appearance: white crystalline powder Assay: 99% Packing:Foil bag

Chlormadinone acetate

Chlormadinone acetateChlormadinone acetate English Synonyms: 17-(Acetyloxy)-6-chloropregna-4,6-diene-3,20-dione;17-Acetoxy-6-chloro-6-dehydroprogeste


AvanafilAvanafilCAS: 330784-47-9Assay: 99% min. Packing: 1kg net/foil bag or tin.Delivery: Express courier.Character: White to Off-White


SpironolactoneSpironolactoneEnglish Synonyms:,(7alpha,17alpha)-;17alpha-Pregn-4-ene-21-carboxylic acid, 17-hydroxy-7alpha-mercapto-3-oxo-, gam