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Paraffins, waxes and cycloalkanes

1-Cyclopentyleicosane

Also known as eicosylcyclopentane, 1-cyclopentylicosane, Cyclopentane, eicosyl

CAS 22331-38-0Formula C25H50Molar mass 350.68 g/mol
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1-Cyclopentyleicosane chemical structure, C25H50, CAS 22331-38-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
22331-38-0
Formula
C25H50
Molar mass
350.68 g/mol
HS code
290219
Category
Paraffins, waxes and cycloalkanes

What is 1-Cyclopentyleicosane?

Plain description, key identifiers and synonyms

1-Cyclopentyleicosane is a chemical substance with the molecular formula C25H50 and a molar mass of 350.68 g/mol. Its CAS registry number is 22331-38-0. The IUPAC name is icosylcyclopentane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
icosylcyclopentane
CAS number
22331-38-0
Molecular formula
C25H50
InChIKey
XASCPEKVIMHPQA-UHFFFAOYSA-N
InChI
InChI=1S/C25H50/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-22-25-23-20-21-24-25/h25H,2-24H2,1H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCCCCCC1CCCC1

Synonyms

  • eicosylcyclopentane
  • 1-cyclopentylicosane
  • Cyclopentane, eicosyl
  • 1-cyclopentyl-eicosane

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
350.68 g/molcalc.
Exact mass
350.3913 Dacalc.
LogP (octanol/water)
9.61calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
19calc.
Heavy atoms
25calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
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.

1-Cyclopentyleicosane suppliers

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1-Cyclopentyleicosane 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 1-Cyclopentyleicosane is traded under.

HS 2902.19Indicative HS code

Cyclanes, cyclenes and cycloterpenes, other

World exports in 2024
$979M
+24.3% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. China23.4%
  2. United States20.6%
  3. Germany13.6%
Top importers
  1. India * partner reported9.9%
  2. United States9.8%
  3. South Korea9.5%

* Partner reported figures, a lower bound.

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

The HS code shown for 1-Cyclopentyleicosane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1-Cyclopentyleicosane, based on the data on this page

What is 1-Cyclopentyleicosane?

1-Cyclopentyleicosane is a chemical substance with the molecular formula C25H50 and a molar mass of 350.68 g/mol. Its CAS registry number is 22331-38-0. The IUPAC name is icosylcyclopentane.

What is the CAS number of 1-Cyclopentyleicosane?

The CAS registry number of 1-Cyclopentyleicosane is 22331-38-0.

What is the molecular formula and weight of 1-Cyclopentyleicosane?

The molecular formula of 1-Cyclopentyleicosane is C25H50 and its molar mass is 350.68 g/mol.

Is 1-Cyclopentyleicosane hazardous?

No GHS hazard classification for 1-Cyclopentyleicosane 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 1-Cyclopentyleicosane?

1-Cyclopentyleicosane is usually classified under HS code 290219 (Cyclanes, cyclenes and cycloterpenes, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1-Cyclopentyleicosane?

Post a free request on CompoundList and suppliers of 1-Cyclopentyleicosane will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 1-Cyclopentyleicosane?

Suppliers quote 1-Cyclopentyleicosane 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 1-Cyclopentyleicosane

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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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