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Heterocyclic compounds

Limonin

Also known as Obaculactone, Dictamnolactone, Citrolimonin

CAS 1180-71-8Formula C26H30O8Molar mass 470.52 g/molEC 808-129-1
GHS signal word: Warning. Pictograms: Harmful or irritant 17 suppliers listed
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Limonin chemical structure, C26H30O8, CAS 1180-71-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1180-71-8
Formula
C26H30O8
Molar mass
470.52 g/mol
EC number
808-129-1
HS code
293220
Category
Heterocyclic compounds

What is Limonin?

Plain description, key identifiers and synonyms

Limonin is a member of furans, a lactone, an epoxide, a limonoid, an organic heterohexacyclic compound and a hexacyclic triterpenoid. It has a role as a metabolite, a volatile oil component and an inhibitor.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1R,2R,7S,10R,13R,14R,16S,19S,20S)-19-(furan-3-yl)-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo[11.9.0.02,7.02,10.014,16.014,20]docosane-5,12,17-trione
CAS number
1180-71-8 CAS number cross-checkedOther or deprecated CAS: 1809582-56-6
EC number
808-129-1
Molecular formula
C26H30O8
UNII
L0F260866S
MDL number
MFCD00075922
InChIKey
KBDSLGBFQAGHBE-MSGMIQHVSA-N
InChI
InChI=1S/C26H30O8/c1-22(2)15-9-16(27)24(4)14(25(15)12-31-18(28)10-17(25)33-22)5-7-23(3)19(13-6-8-30-11-13)32-21(29)20-26(23,24)34-20/h6,8,11,14-15,17,19-20H,5,7,9-10,12H2,1-4H3/t14-,15-,17-,19-,20+,23-,24-,25+,26+/m0/s1
Canonical SMILES
CC1(C)OC2CC(=O)OCC23C1CC(=O)C1(C)C3CCC2(C)C(c3ccoc3)OC(=O)C3OC321
Isomeric SMILES
C[C@@]12CC[C@H]3[C@]([C@@]14[C@H](O4)C(=O)O[C@H]2C5=COC=C5)(C(=O)C[C@@H]6[C@@]37COC(=O)C[C@@H]7OC6(C)C)C

Synonyms

  • Obaculactone
  • Dictamnolactone
  • Citrolimonin
  • Evodin
  • Limonine
  • 7,16-Dioxo-7,16-dideoxylimondiol
  • Limonoic acid, di-delta-lactone
  • (1R,2R,7S,10R,13R,14R,16S,19S,20S)-19-(furan-3-yl)-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo[11.9.0.02,7.02,10.014,16.014,20]docosane-5,12,17-trione
  • 11H,13H-Oxireno(d)pyrano(4',3':3,3a)isobenzofuro(5,4-f)(2)benzopyran-4,6,13(2H,5aH)-trione, 8-(3-furyl)decahydro-2,2,4a,8a-tetramethyl-
  • (1R,2R,7S,10R,13R,14R,16S,19S,20S)-19-(furan-3-yl)-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo(11.9.0.02,7.02,10.014,16.014,20)docosane-5,12,17-trione
  • Linonin
  • Limoni
  • limonoic acid 3,19:16,17-dilactone
  • Limonoate D-ring-lactone
  • 3-furyl(tetramethyl)[?]trione
  • Limonoic acid 3,19:16,17 dilactone
  • Limonin (Standard)
  • Limonin, analytical standard
  • Di-delta-lactone limonoic acid
  • ACon1_001996
  • Limonoic acid di-delta-lactone
  • Sdccgmls-0066837.p001
  • Limonin, from citrus seeds, >90% (HPLC)
  • Limone, Citrolimonin, Evodine, Dictamnolactone, Obaculactone
  • (1R,2R,7S,10R,13R,14R,16S,19S,20S)-19-(furan-3-yl
Show all 27 synonyms
  • (1R,2R,7S,10R,13R,14R,16S,19S,20S)-19-(3-furyl)-9,9,13,20-tetramethyl-4,8,15,18-tetraoxahexacyclo[11.9.0.02,7.02,10.014,16.014,20]docosane-5,12,17-trione
  • (4aS,14bR)-12-(Furan-3-yl)-6,6,8a,12a-tetramethyldecahydro-1H,3H-oxireno[2,3-d]pyrano[4',3':3,3a]isobenzofuro[5,4-f]isochromene-3,8,10(6H,9aH)-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
470.52 g/molcalc.
Exact mass
470.1941 Dacalc.
LogP (octanol/water)
3.14calc.
Topological polar surface area
104.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
1calc.
Heavy atoms
34calc.
Rings
7calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.73calc.
Formal charge
0calc.
Stereocentres
9calc.
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=C1CC2OCC3CC(=O)C4C(CCC5C(c6ccoc6)OC(=O)C6OC654)C32CO1

O=C1CC2OCC3CC(=O)C4C(CCC5C(c6ccoc6)OC(=O)C6OC654)C32CO1

7 rings, 30 atoms.

3 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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

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

Limonin suppliers

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All 17 suppliers
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Where suppliers are based

17 suppliers in 5 countries

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Limonin 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

Roles

  • eukaryotic metabolite
  • inhibitor
  • metabolite
  • plant metabolite
  • volatile oil component

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 Limonin is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Limonin?

Limonin is a member of furans, a lactone, an epoxide, a limonoid, an organic heterohexacyclic compound and a hexacyclic triterpenoid. It has a role as a metabolite, a volatile oil component and an inhibitor.

What is the CAS number of Limonin?

The CAS registry number of Limonin is 1180-71-8. Other or deprecated CAS numbers: 1809582-56-6.

What is the molecular formula and weight of Limonin?

The molecular formula of Limonin is C26H30O8 and its molar mass is 470.52 g/mol.

What is Limonin used for?

Known uses and roles of Limonin include eukaryotic metabolite, inhibitor, metabolite, plant metabolite and volatile oil component.

Is Limonin hazardous?

Limonin carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Limonin?

Limonin is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Limonin?

CompoundList lists 17 suppliers of Limonin in China, United States, Australia, Switzerland and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Limonin?

Suppliers quote Limonin 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 Limonin

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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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