Search the API Finder below to explore our list of off-the-shelf active pharmaceutical ingredients. These APIs are available to order from Pfizer CentreOne in various specifications, whether for small clinical use or reliable commercial supply. Click the name of a chemical below to request more information from our API experts.

Pfizer CentreOne also specializes in small molecule API manufacturing for the development and commercialization of your innovative therapeutics.

Chemical name CAS# Compendial Formula Molar mass
12-PT Cas # - 56188-04-6 Compendial - USP
Formula -  

C15H26O5

Molar mass - 286.37 g/mol
16α-hydroxyprednisolone Cas # - 13951-70-7 Compendial - US and Canada DMF
Formula -  

C21H28O6

Molar mass - 376.45 g/mol
21-(acetyloxy) tetraene (3-TR) Cas # - 37413-91-5 Compendial - US DMF
Formula -  

C23H26O4

Molar mass - 366.46 g/mol
Betamethasone (11-DB) Cas # - 981-34-0 Compendial - US DMF
Formula -  

C22H28O5

Molar mass - 372.47 g/mol
Betamethasone 11 low bromo Cas # - 981-34-0 Compendial - US DMF
Formula -  

C22H28O5

Molar mass - 372.47 g/mol
Dexamethasone acetate anhydrous micronized Cas # - 1177-87-3 Compendial - USP, Canada, UK, France and more
Formula -  

C24H33FO7

Molar mass - 452.5 g/mol
Dexamethasone sodium phosphate Cas # - 2392-39-4 Compendial - US, Canada, EP, Singapore
Formula -  

C22H28FNa2O8P

Molar mass - 516.4 g/mol
Dexamethasone USP micronized Cas # - 50-02-2 Compendial - USP, EP, JP, Canada and more
Formula -  

C22H29FO5

Molar mass - 392.4 g/mol
Dexamethasone-8 (8DM) Cas # - 24916-90-3 Compendial - US DMF
Formula -  

C22H28O5

Molar mass - 372.47 g/mol
Diketo acid Cas # - 1944-63-4 Compendial - 95-100%
Formula -  

C13H18O4

Molar mass - 238.3 g/mol
Dinoprost tromethamine Cas # - 38562-01-5 Compendial - USP, EP
Formula -  

C20H33O5

Molar mass - 475.6 g/mol
Enviero™ progesterone micronized Cas # - 57-83-0 Compendial - Filed with USFDA and EDQM
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Enviero™ progesterone micronized for soft gel Cas # - 57-83-0 Compendial - Filed with USFDA and EDQM
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Enviero™ progesterone USP Cas # - 57-83-0 Compendial - Filed with USFDA and EDQM
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Enviero™ progesterone USP special micronized Cas # - 57-83-0 Compendial - Filed with USFDA and EDQM
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Epoprostenol sodium Cas # - 61849-14-7 Compendial - USP, TGA, EU and more
Formula -  

C20H31NaO5

Molar mass - 374.4 g/mol
Hydrocortisone acetate, micronized Cas # - 50-03-3 Compendial - USP, EP, Canada, JP and more
Formula -  

C23H32O6

Molar mass - 404.5 g/mol
Hydrocortisone hemisuccinate USP monohydrate Cas # - 2203-97-6 Compendial - EP
Formula -  

C25H34O8

Molar mass - 462.5 g/mol
Hydrocortisone USP Cas # - 50-23-7 Compendial - USP, EP, Canada, IP, JP and more
Formula -  

C21H30O5

Molar mass - 362.4 g/mol
Hydrocortisone USP micronized Cas # - 50-23-7 Compendial - USP, EP, Canada, IP, JP and more
Formula -  

C21H30O5

Molar mass - 362.4 g/mol
Medroxyprogesterone acetate (2-MPB) Cas # - Mixture Compendial - Custom
Formula -  

C23H32O4

Molar mass - 372.51 g/mol
Megestrol acetate USP Cas # - 595-33-5 Compendial - USP, EP, Canada
Formula -  

C24H32O4

Molar mass - 384.52 g/mol
Megestrol acetate USP micronized Cas # - 595-33-5 Compendial - USP, EP, Canada
Formula -  

C23H32O4

Molar mass - 384.52 g/mol
Myristyl-gamma-picolinium chloride Cas # - 2748-88-1 Compendial - Custom
Formula -  

C20H36ClN

Molar mass - 325.97 g/mol
Neomycin sulfate 100 mesh Cas # - 1405-10-3 Compendial - USP, EP, Canada, IP, JP and more
Formula -  

Mixture

Molar mass - Mixture
Neomycin sulfate micronized Cas # - 1405-10-3 Compendial - USP, EP, Canada, IP, JP and more
Formula -  

Mixture

Molar mass - Mixture
Neomycin sulfate USP Cas # - 1405-10-3 Compendial - USP, EP, Canada, IP, JP and more
Formula -  

Mixture

Molar mass - Mixture
Nicergoline* Cas # - 27848-84-6 Compendial - France, Italy, Poland
Formula -  

C24H26BrN3O3

Molar mass - 484.38 g/mol
Novobiocin sodium Cas # - 1476-53-5 Compendial - USP
Formula -  

C31H35N2NaO11

Molar mass - 634.6 g/mol
Porcine heparin sodium USP Cas # - 9005-49-6 Compendial - USP, Canada
Formula -  

C26H41NO34S4

Molar mass - 1134.9 g/mol
Prasterone acetate Cas # - 853-23-6 Compendial - US DMF
Formula -  

C21H30O3

Molar mass - 330.4 g/mol
Progesterone wettable powder Cas # - 57-83-0 Compendial - USP, EP, Canada, IP, JP and more
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Testosterone cypionate Cas # - 58-20-8 Compendial - US
Formula -  

C27H40O3

Molar mass - 412.6 g/mol
Testosterone USP micronized Cas # - 58-22-0 Compendial - US, EP, Canada
Formula -  

C19H28O2

Molar mass - 288.4 g/mol
Testosterone propionate micronized Cas # - 57-85-2 Compendial - US
Formula -  

C22H32O3

Molar mass - 344.4 g/mol
Testosterone undecanoate Cas # - 5949-44-0 Compendial - US, Europe, Canada
Formula -  

C30H48O3

Molar mass - 456.7 g/mol
Testosterone USP powder Cas # - 58-22-0 Compendial - US, EP, Canada
Formula -  

C19H28O2

Molar mass - 288.4 g/mol
Progesterone micronized for soft gel Cas # - 57-83-0 Compendial - US, EP, Canada, IP and more
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Progesterone USP Cas # - 57-83-0 Compendial - US, EP, Canada, IP and more
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Progesterone USP micronized Cas # - 57-83-0 Compendial - US, EP, Canada, IP and more
Formula -  

C21H30O3

Molar mass - 314.4 g/mol
Testosterone USP micronized Cas # - 58-22-0 Compendial - US, Canada, EP
Formula -  

C19H28O2

Molar mass - 288.4 g/mol