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Synthetic aroma chemicals

Isojasmone

Also known as 2-Methyl-3-pent-2-enylcyclopent-2-enone, 2-Cyclopenten-1-one, 2-methyl-3-(2-pentenyl)-, 2-methyl-3-(pent-2-en-1-yl)cyclopent-2-en-1-one

CAS 11050-62-7Formula C11H16OMolar mass 164.25 g/molEC 234-273-4
GHS signal word: Warning. Pictograms: Harmful or irritant
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Isojasmone chemical structure, C11H16O, CAS 11050-62-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
11050-62-7
Formula
C11H16O
Molar mass
164.25 g/mol
EC number
234-273-4
HS code
291429
Category
Synthetic aroma chemicals

What is Isojasmone?

Plain description, key identifiers and synonyms

Isojasmone is a chemical substance with the molecular formula C11H16O and a molar mass of 164.25 g/mol. Its CAS registry number is 11050-62-7. The IUPAC name is 2-methyl-3-pent-2-enylcyclopent-2-en-1-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methyl-3-pent-2-enylcyclopent-2-en-1-one
CAS number
11050-62-7 CAS number cross-checked
EC number
234-273-4
Molecular formula
C11H16O
INCI name
ISOJASMONE
InChIKey
GVONPEQEUQYVNH-UHFFFAOYSA-N
InChI
InChI=1S/C11H16O/c1-3-4-5-6-10-7-8-11(12)9(10)2/h4-5H,3,6-8H2,1-2H3
SMILES (canonical and isomeric)
CCC=CCC1=C(C(=O)CC1)C

Synonyms

  • 2-Methyl-3-pent-2-enylcyclopent-2-enone
  • 2-Cyclopenten-1-one, 2-methyl-3-(2-pentenyl)-
  • 2-methyl-3-(pent-2-en-1-yl)cyclopent-2-en-1-one

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
164.25 g/molcalc.
Exact mass
164.1201 Dacalc.
LogP (octanol/water)
3.02calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.55calc.
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=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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H335May cause respiratory irritation.
Precautionary statements (7)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P319Get medical help if you feel unwell.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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

Isojasmone suppliers

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Isojasmone 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

Cosmetic ingredient, INCI name ISOJASMONE(perfuming)

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Isojasmone 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 Isojasmone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Isojasmone?

Isojasmone is a chemical substance with the molecular formula C11H16O and a molar mass of 164.25 g/mol. Its CAS registry number is 11050-62-7. The IUPAC name is 2-methyl-3-pent-2-enylcyclopent-2-en-1-one.

What is the CAS number of Isojasmone?

The CAS registry number of Isojasmone is 11050-62-7.

What is the molecular formula and weight of Isojasmone?

The molecular formula of Isojasmone is C11H16O and its molar mass is 164.25 g/mol.

What is Isojasmone used for?

Known uses and roles of Isojasmone include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, aldehydes and ketones in flavors and fragrances, perfuming, flavouring and nutrient and 1 more.

Is Isojasmone hazardous?

Isojasmone carries the GHS signal word "Warning". Main hazards: may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Isojasmone?

Isojasmone 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 Isojasmone?

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What is the price of Isojasmone?

Suppliers quote Isojasmone 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 Isojasmone

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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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