CompoundList
Sign in
Aliphatic and alicyclic building blocks

Cohulupone

Also known as Cohulupon, 3,3-bis(3-methylbut-2-enyl)-5-(2-methylpropanoyl)cyclopentane-1,2,4-trione, 1,2,4-Cyclopentanetrione, 5-isobutyryl-3,3-bis(3-methyl-2-butenyl)-

CAS 1891-34-5Formula C19H26O4Molar mass 318.41 g/mol
Get quotes Safety data
Cohulupone chemical structure, C19H26O4, CAS 1891-34-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1891-34-5
Formula
C19H26O4
Molar mass
318.41 g/mol
HS code
291429
Category
Aliphatic and alicyclic building blocks

What is Cohulupone?

Plain description, key identifiers and synonyms

Cohulupone is a beta-diketone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,3-bis(3-methylbut-2-enyl)-5-(2-methylpropanoyl)cyclopentane-1,2,4-trione
CAS number
1891-34-5 CAS number cross-checked
Molecular formula
C19H26O4
InChIKey
HMEGPOIWNGKXBR-UHFFFAOYSA-N
InChI
InChI=1S/C19H26O4/c1-11(2)7-9-19(10-8-12(3)4)17(22)14(15(20)13(5)6)16(21)18(19)23/h7-8,13-14H,9-10H2,1-6H3
SMILES (canonical and isomeric)
CC(C)C(=O)C1C(=O)C(=O)C(C1=O)(CC=C(C)C)CC=C(C)C

Synonyms

  • Cohulupon
  • 3,3-bis(3-methylbut-2-enyl)-5-(2-methylpropanoyl)cyclopentane-1,2,4-trione
  • 1,2,4-Cyclopentanetrione, 5-isobutyryl-3,3-bis(3-methyl-2-butenyl)-
  • 3,3-bis(3-methylbut-2-en-1-yl)-5-(2-methylpropanoyl)cyclopentane-1,2,4-trione
  • 1,2,4-Cyclopentanetrione, 3,3-bis(3-methyl-2-butenyl)-5-(2-methyl-1-oxopropyl)-
  • 3,3-Bis(3-methyl-2-butenyl)-5-(2-methyl-1-oxopropyl)-1,2,4-cyclopentanetrione, 9CI
  • 3,3-Bis(3-methyl-2-butenyl)-5-(2-methyl-1-oxopropyl)-1,2,4-cyclopentanetrione
  • 5-Isobutyryl-3,3-bis(3-methyl-2-butenyl)-1,2,4-cyclopentanetrione #
  • 5-Isobutyryl-3,3-bis(3-methylbut-2-en-1-yl)cyclopentane-1,2,4-trione

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
318.41 g/molcalc.
Exact mass
318.1831 Dacalc.
LogP (octanol/water)
3.25calc.
Topological polar surface area
68.28 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
6calc.
Heavy atoms
23calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.58calc.
Formal charge
0calc.
Stereocentres
1calc.
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=C1CC(=O)C(=O)C1

O=C1CC(=O)C(=O)C1

1 ring, 8 atoms, the 1,2,4-Cyclopentanetrione ring system.

16 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.

Cohulupone suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Cohulupone can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Cohulupone price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 Cohulupone 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 Cohulupone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Cohulupone?

Cohulupone is a beta-diketone.

What is the CAS number of Cohulupone?

The CAS registry number of Cohulupone is 1891-34-5.

What is the molecular formula and weight of Cohulupone?

The molecular formula of Cohulupone is C19H26O4 and its molar mass is 318.41 g/mol.

What is Cohulupone used for?

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

Is Cohulupone hazardous?

No GHS hazard classification for Cohulupone 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 Cohulupone?

Cohulupone 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 Cohulupone?

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

What is the price of Cohulupone?

Suppliers quote Cohulupone 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 Cohulupone

Get quotes for Cohulupone

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Cohulupone
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Cohulupone with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/cohulupone-1891-34-5" title="Cohulupone structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aliphatic and alicyclic building blocks or HS code 291429

Price on request
Free quotes, contact stays private
Get quotes