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CAS 35121-78-9

CAS 35121-78-9 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 35121-78-9
CAS 35121-78-9PubChem CID 5282411

Prostacyclin

IUPAC name
(5Z)-5-[(3aR,4R,5R,6aS)-5-hydroxy-4-[(E,3S)-3-hydroxyoct-1-enyl]-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-2-ylidene]pentanoic acid
Molecular formula
C20H32O5
Molecular weight
352.5 g/mol
Exact mass
352.22497412 Da
XLogP3
2.9
Topological polar surface area
87.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
5

Also known as

epoprostenolprostaglandin I2PGI2VasocyclinProstaglandin XEpoprostenolumACT-385781ADCR9Z582X0
16 more reported names
U-53217(5Z,9alpha,11alpha,13E,15S)-6,9-epoxy-11,15-dihydroxyprosta-5,13-dien-1-oic acidU-53,217CHEBI:155526,9S-epoxy-11R,15S-dihydoxy-5Z,13E-prostadienoic acidEpoprostanol(5Z,13E)-(15S)-6,9alpha-Epoxy-11alpha,15-dihydroxyprosta-5,13-dienoateProsta-5,13-dien-1-oic acid, 6,9-epoxy-11,15-dihydroxy-, (5Z,9alpha,11alpha,13E,15S)-Prostaglandin I(2)epoprostenolo(5Z)-5-((3aR,4R,5R,6aS)-5-hydroxy-4-((E,3S)-3-hydroxyoct-1-enyl)-3,3a,4,5,6,6a-hexahydrocyclopenta(b)furan-2-ylidene)pentanoic acid(5Z)-5-((3aR,4R,5R,6aS)-5-hydroxy-4-((E,3S)-3-hydroxyoct-1-enyl)-3,3a,4,5,6,6a-hexahydrocyclopenta(d)furan-2-ylidene)pentanoic acid(5Z)-5-[(3aR,4R,5R,6aS)-5-hydroxy-4-[(E,3S)-3-hydroxyoct-1-enyl]-3,3a,4,5,6,6a-hexahydrocyclopenta[d]furan-2-ylidene]pentanoic acidRefChem:57239B01AC09Epoprostenol Sodium Salt, (5Z,9alpha,11alpha,13E,15S)-
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 35121-78-9

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How CAS 35121-78-9 is used on this site

CAS 35121-78-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 35121-78-9 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.