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Aldehydes and ketones

4-Pentylcyclohexanone

Also known as 4-n-Pentylcyclohexanone, 4-pentylcyclohexan-1-one, 4-Amylcyclohexanone

CAS 61203-83-6Formula C11H20OMolar mass 168.28 g/molEC 406-670-4
GHS hazard pictograms. Pictograms: Hazardous to the environment
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4-Pentylcyclohexanone chemical structure, C11H20O, CAS 61203-83-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
61203-83-6
Formula
C11H20O
Molar mass
168.28 g/mol
EC number
406-670-4
HS code
291429
Category
Aldehydes and ketones

What is 4-Pentylcyclohexanone?

Plain description, key identifiers and synonyms

4-Pentylcyclohexanone is a chemical substance with the molecular formula C11H20O and a molar mass of 168.28 g/mol. Its CAS registry number is 61203-83-6. The IUPAC name is 4-pentylcyclohexan-1-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-pentylcyclohexan-1-one
CAS number
61203-83-6 CAS number cross-checked
EC numbers
406-670-4, 682-338-4
Molecular formula
C11H20O
MDL number
MFCD00059581
InChIKey
UKLNPJDLSPMJMQ-UHFFFAOYSA-N
InChI
InChI=1S/C11H20O/c1-2-3-4-5-10-6-8-11(12)9-7-10/h10H,2-9H2,1H3
SMILES (canonical and isomeric)
CCCCCC1CCC(=O)CC1

Synonyms

  • 4-n-Pentylcyclohexanone
  • 4-pentylcyclohexan-1-one
  • 4-Amylcyclohexanone
  • 4-pentylcyclo hexanone
  • Uklnpjdlspmjmq-uhfffaoysa-

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
168.28 g/molcalc.
Exact mass
168.1514 Dacalc.
LogP (octanol/water)
3.33calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
4calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.91calc.
Formal charge
0calc.
Stereocentres
0calc.
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=C1CCCCC1

O=C1CCCCC1

1 ring, 7 atoms, the Cyclohexanone ring system.

2,698 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

4-Pentylcyclohexanone suppliers

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4-Pentylcyclohexanone 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

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 606-051-00-0

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 4-Pentylcyclohexanone is traded under.

HS 2914.29Indicative HS code

Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other

World exports in 2024
$1B
+6.6% vs 2023, imports $980M
2019 to 2024
Top exporters
  1. China32.5%
  2. India * partner reported12.9%
  3. Germany12.3%
Top importers
  1. United States15.7%
  2. Japan8.7%
  3. Germany8.7%

* Partner reported figures, a lower bound.

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

The HS code shown for 4-Pentylcyclohexanone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Pentylcyclohexanone, based on the data on this page

What is 4-Pentylcyclohexanone?

4-Pentylcyclohexanone is a chemical substance with the molecular formula C11H20O and a molar mass of 168.28 g/mol. Its CAS registry number is 61203-83-6. The IUPAC name is 4-pentylcyclohexan-1-one.

What is the CAS number of 4-Pentylcyclohexanone?

The CAS registry number of 4-Pentylcyclohexanone is 61203-83-6.

What is the molecular formula and weight of 4-Pentylcyclohexanone?

The molecular formula of 4-Pentylcyclohexanone is C11H20O and its molar mass is 168.28 g/mol.

What is 4-Pentylcyclohexanone used for?

Known uses and roles of 4-Pentylcyclohexanone include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-Pentylcyclohexanone hazardous?

4-Pentylcyclohexanone has a GHS hazard classification. Main hazards: toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4-Pentylcyclohexanone?

4-Pentylcyclohexanone is usually classified under HS code 291429 (Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Pentylcyclohexanone?

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What is the price of 4-Pentylcyclohexanone?

Suppliers quote 4-Pentylcyclohexanone 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 4-Pentylcyclohexanone

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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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