Cyclopentamine

DB08999ApprovedWithdrawnSmall molecule

Cyclopentamine is a sympathomimetic alkylamine, classified as a vasoconstrictor. Cyclopentamine was an over the counter treatment for nasal congestion in Europe and Australia. It has been widely discontinued due to... It has been widely discontinued due to the safety, effectiveness, and availability of a similar drug, propylhexedrine.

Formula / weight: C₉H₁₉N · 141.258 g/mol (avg)

Resolves to

Compound

UNIIWB9Q6M8O60CAS102-45-4ChEMBLCHEMBL329203ChEBI134766PubChem7608KEGGD07370

Clinical / RWD

RxNorm59094ATCR01AA02

Structure

InChIKeyHFXKQSZZZPGLKQ-UHFFFAOYSA-NSMILESCNC(C)CC1CCCC1

What you can answer from here — as of August 30, 2026

167Drug interactionsStructured to mechanism, not free text

1ATC codeIncluding every combination product, plus 4 drug categories

Which companies are running trials of Cyclopentamine, in which indications and phases, and which of those programs are still active?

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