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Aliphatic and alicyclic building blocks

Penprostene

Also known as penprosteno, (+-)-(Z)-7-((1R*,2R*)-2-((E)-3R*-5-Ethoxy-3-hydroxy-4,4-dimethyl-1-pentenyl)-5-oxo-3-cyclopenten-1-yl)-5-heptenoic acid, penprostenum

CAS 61557-12-8Formula C21H32O5Molar mass 364.48 g/mol
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Penprostene chemical structure, C21H32O5, CAS 61557-12-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
61557-12-8
Formula
C21H32O5
Molar mass
364.48 g/mol
HS code
293750
Category
Aliphatic and alicyclic building blocks

What is Penprostene?

Plain description, key identifiers and synonyms

Penprostene is a chemical substance with the molecular formula C21H32O5 and a molar mass of 364.48 g/mol. Its CAS registry number is 61557-12-8. The IUPAC name is (Z)-7-[(1R,2S)-2-[(E,3R)-5-ethoxy-3-hydroxy-4,4-dimethylpent-1-enyl]-5-oxocyclopent-3-en-1-yl]hept-5-enoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(Z)-7-[(1R,2S)-2-[(E,3R)-5-ethoxy-3-hydroxy-4,4-dimethylpent-1-enyl]-5-oxocyclopent-3-en-1-yl]hept-5-enoic acid
CAS number
61557-12-8 CAS number cross-checked
Molecular formula
C21H32O5
UNII
I285P34902
InChIKey
HCTZKPLQIGQRPR-XWGDGUDISA-N
InChI
InChI=1S/C21H32O5/c1-4-26-15-21(2,3)19(23)14-12-16-11-13-18(22)17(16)9-7-5-6-8-10-20(24)25/h5,7,11-14,16-17,19,23H,4,6,8-10,15H2,1-3H3,(H,24,25)/b7-5-,14-12+/t16-,17-,19-/m1/s1
Canonical SMILES
CCOCC(C)(C)C(O)C=CC1C=CC(=O)C1CC=CCCCC(=O)O
Isomeric SMILES
CCOCC(C)(C)[C@@H](/C=C/[C@H]1C=CC(=O)[C@@H]1C/C=C\CCCC(=O)O)O

Synonyms

  • penprosteno
  • (+-)-(Z)-7-((1R*,2R*)-2-((E)-3R*-5-Ethoxy-3-hydroxy-4,4-dimethyl-1-pentenyl)-5-oxo-3-cyclopenten-1-yl)-5-heptenoic acid
  • penprostenum
  • (Z)-7-[(1R,2S)-2-[(E,3R)-5-ethoxy-3-hydroxy-4,4-dimethylpent-1-enyl]-5-oxocyclopent-3-en-1-yl]hept-5-enoic acid
  • (+/-)-(Z)-7-((1r*,2r*)-2-((E)-3r*-5-ethoxy-3-hydroxy-4,4-dimethyl-1-pentenyl)-5-oxo-3-cyclopenten-1-yl)-5-heptenoic acid
  • (- )-(Z)-7-((1R*,2R*)-2-((E)-3R*-5-Ethoxy-3-hydroxy-4,4-dimethyl-1-pentenyl)-5-oxo-3-cyclopenten-1-yl)-5-heptenoic acid
  • (5Z)-7-{(1R,2S)-2-[(1E,3R)-5-Ethoxy-3-hydroxy-4,4-dimethyl-1-penten-1-yl]-5-oxo-3-cyclopenten-1-yl}-5-heptenoic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
364.48 g/molcalc.
Exact mass
364.225 Dacalc.
LogP (octanol/water)
3.54calc.
Topological polar surface area
83.83 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
12calc.
Heavy atoms
26calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.62calc.
Formal charge
0calc.
Stereocentres
3calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=CCC1

O=C1C=CCC1

1 ring, 6 atoms, the 2-Cyclopenten-1-one ring system.

829 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Penprostene suppliers

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Penprostene price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Penprostene is traded under.

HS 2937.50Indicative HS code

Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues

World exports in 2024
$270M
+9.1% vs 2023, imports $304M
2019 to 2024
Top exporters
  1. Hungary22.8%
  2. Czech Republic21.6%
  3. South Korea14.6%
Top importers
  1. Japan17.0%
  2. Italy13.1%
  3. Germany10.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Penprostene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Penprostene, based on the data on this page

What is Penprostene?

Penprostene is a chemical substance with the molecular formula C21H32O5 and a molar mass of 364.48 g/mol. Its CAS registry number is 61557-12-8. The IUPAC name is (Z)-7-[(1R,2S)-2-[(E,3R)-5-ethoxy-3-hydroxy-4,4-dimethylpent-1-enyl]-5-oxocyclopent-3-en-1-yl]hept-5-enoic acid.

What is the CAS number of Penprostene?

The CAS registry number of Penprostene is 61557-12-8.

What is the molecular formula and weight of Penprostene?

The molecular formula of Penprostene is C21H32O5 and its molar mass is 364.48 g/mol.

What is Penprostene used for?

Known uses and roles of Penprostene include building blocks in research and laboratory.

Is Penprostene hazardous?

No GHS hazard classification for Penprostene is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Penprostene?

Penprostene is usually classified under HS code 293750 (Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Penprostene?

Post a free request on CompoundList and suppliers of Penprostene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Penprostene?

Suppliers quote Penprostene on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Penprostene

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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