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Aliphatic and alicyclic building blocks

Prostanoic acid

Also known as prostan-1-oic acid, 7-[(1S,2S)-2-octylcyclopentyl]heptanoic acid, 7-((1S,2S)-2-Octylcyclopentyl)heptanoic acid

CAS 25151-81-9Formula C20H38O2Molar mass 310.52 g/mol
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Prostanoic acid chemical structure, C20H38O2, CAS 25151-81-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25151-81-9
Formula
C20H38O2
Molar mass
310.52 g/mol
HS code
291620
Category
Aliphatic and alicyclic building blocks

What is Prostanoic acid?

Plain description, key identifiers and synonyms

Prostanoic acid is a carbocyclic fatty acid composed of heptanoic acid having a (1S,2S)-2-octylcyclopentyl substituent at position 7. It is a long-chain fatty acid, a saturated fatty acid and a carbocyclic fatty acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
7-[(1S,2S)-2-octylcyclopentyl]heptanoic acid
CAS number
25151-81-9 CAS number cross-checkedOther or deprecated CAS: 58986-83-7
Molecular formula
C20H38O2
InChIKey
WGJJROVFWIXTPA-OALUTQOASA-N
InChI
InChI=1S/C20H38O2/c1-2-3-4-5-6-9-13-18-15-12-16-19(18)14-10-7-8-11-17-20(21)22/h18-19H,2-17H2,1H3,(H,21,22)/t18-,19-/m0/s1
Canonical SMILES
CCCCCCCCC1CCCC1CCCCCCC(=O)O
Isomeric SMILES
CCCCCCCC[C@H]1CCC[C@@H]1CCCCCCC(=O)O

Synonyms

  • prostan-1-oic acid
  • 7-[(1S,2S)-2-octylcyclopentyl]heptanoic acid
  • 7-((1S,2S)-2-Octylcyclopentyl)heptanoic acid
  • 7-((1S,2S)-2-octylcyclopentyl)heptanoic acid, prostan-1-oic acid
  • 7-[(1S,2S)-2-octylcyclopentyl]heptanoic acid, prostan-1-oic acid
  • rel-7-((1S,2S)-2-Octylcyclopentyl)heptanoic acid
  • Prostanic acid skeleton
  • Prostanoic acid skeleton

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
310.52 g/molcalc.
Exact mass
310.2872 Dacalc.
LogP (octanol/water)
6.58calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
14calc.
Heavy atoms
22calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (1 violation)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, C1CCCC1

C1CCCC1

1 ring, 5 atoms, the Cyclopentane ring system.

10,985 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.

Prostanoic acid suppliers

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Prostanoic acid 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 Prostanoic acid is traded under.

HS 2916.20Indicative HS code

Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides…

World exports in 2024
$489M
−6.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China45.5%
  2. India * partner reported18.6%
  3. Japan11.2%
Top importers
  1. Brazil20.3%
  2. United States15.7%
  3. India * partner reported12.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Prostanoic acid, based on the data on this page

What is Prostanoic acid?

Prostanoic acid is a carbocyclic fatty acid composed of heptanoic acid having a (1S,2S)-2-octylcyclopentyl substituent at position 7. It is a long-chain fatty acid, a saturated fatty acid and a carbocyclic fatty acid.

What is the CAS number of Prostanoic acid?

The CAS registry number of Prostanoic acid is 25151-81-9. Other or deprecated CAS numbers: 58986-83-7.

What is the molecular formula and weight of Prostanoic acid?

The molecular formula of Prostanoic acid is C20H38O2 and its molar mass is 310.52 g/mol.

What is Prostanoic acid used for?

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

Is Prostanoic acid hazardous?

No GHS hazard classification for Prostanoic acid 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 Prostanoic acid?

Prostanoic acid is usually classified under HS code 291620 (Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Prostanoic acid?

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

What is the price of Prostanoic acid?

Suppliers quote Prostanoic acid 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 Prostanoic acid

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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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