Suppliers / Aspen Oss

Aspen Oss

Netherlands Updated 9 July 2026

Aspen Oss is an API manufacturer based in Netherlands. It holds 35 active US drug master files.

35
active US DMFs
0
valid CEPs
0
registered plants
0
filings across 0 regulators

What they file, and where

Molecule Regulators Docs
Estradiol US FDA 2
Leuprolide US FDA 2
Norethisterone US FDA 2
Asenapine US FDA 1
Budesonide US FDA 1
Buprenorphine US FDA 1
Desmopressin US FDA 1
Desogestrel US FDA 1
Ea-230 US FDA 1
Estradiol Valerate US FDA 1
Show all 30 molecules on file
Estriol US FDA 1
Ethinylestradiol US FDA 1
Ethynodiol Diacetate US FDA 1
Etonogestrel US FDA 1
Fondaparinux US FDA 1
Ganirelix US FDA 1
Gonadorelin US FDA 1
Hydroxyprogesterone Caproate US FDA 1
Methyltestosterone US FDA 1
Mirtazapine US FDA 1
Naloxone US FDA 1
Naltrexone US FDA 1
Nandrolone Decanoate US FDA 1
Oxytocin US FDA 1
Progesterone US FDA 1
Rocuronium US FDA 1
Testosterone US FDA 1
Testosterone Cypionate US FDA 1
Testosterone Enanthate US FDA 1
Testosterone Undecanoate US FDA 1

Also appears on these molecule pages

Show 9 more molecule pages

Questions about Aspen Oss

Does Aspen Oss hold a US DMF or a CEP?
Aspen Oss holds 35 active US drug master files. A drug master file is a submission to the FDA describing how an ingredient is made; a CEP is the EDQM's certificate that the substance meets its European Pharmacopoeia monograph. Both are filings rather than approvals.
What does Aspen Oss make?
30 molecules are on record against Aspen Oss, including Estradiol, Leuprolide, Norethisterone and Asenapine. Each links through to that molecule's full manufacturer list.

Answered from this company's own record. Where a register holds nothing, the question is not asked rather than answered with a zero. How we count our figures.

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Sources on this page

FDA
Drug master files, establishment registration, inspection classifications
EDQM
Certificates of suitability