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Screening compounds

Kelevan

Also known as Ethyl 1,1a,3,3a,4,5,5a,5b,6-decachlorooctahydro-2-hydroxy-1,3,4-metheno-2H-cyclobuta(cd) pentamethylene-2-levulinate, Despirol, Allied GC 9160

CAS 4234-79-1Formula C17H12Cl10O4Molar mass 634.81 g/molEC 620-410-9
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment
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Kelevan chemical structure, C17H12Cl10O4, CAS 4234-79-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4234-79-1
Formula
C17H12Cl10O4
Molar mass
634.81 g/mol
EC number
620-410-9
HS code
291899
Category
Screening compounds

What is Kelevan?

Plain description, key identifiers and synonyms

Kelevan is an oxo carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethyl 5-(1,2,3,4,6,7,8,9,10,10-decachloro-5-hydroxy-5-pentacyclo[5.3.0.02,6.03,9.04,8]decanyl)-4-oxopentanoate
CAS number
4234-79-1 CAS number cross-checked
EC number
620-410-9
Molecular formula
C17H12Cl10O4
InChIKey
POSKOXIJDWDKPH-UHFFFAOYSA-N
InChI
InChI=1S/C17H12Cl10O4/c1-2-31-7(29)4-3-6(28)5-8(30)9(18)11(20)13(22)10(8,19)14(23)12(9,21)15(11,24)17(26,27)16(13,14)25/h30H,2-5H2,1H3
SMILES (canonical and isomeric)
CCOC(=O)CCC(=O)CC1(C2(C3(C4(C1(C5(C2(C3(C(C45Cl)(Cl)Cl)Cl)Cl)Cl)Cl)Cl)Cl)Cl)O

Synonyms

  • Ethyl 1,1a,3,3a,4,5,5a,5b,6-decachlorooctahydro-2-hydroxy-1,3,4-metheno-2H-cyclobuta(cd) pentamethylene-2-levulinate
  • Despirol
  • Allied GC 9160
  • General chemical 9160
  • General chemicals 9160
  • GC 9160
  • 1,3,4-Metheno-1H-cyclobuta(c,d)-pentalene-2-levulinic acid, 1,1a,3,3a,4,5,5a,5b,6-decachlorooctahydro-2-hydroxy-, ethyl ester
  • 1,3,4-Metheno-1H-cyclobuta(cd)pentalene-2-pentanoic acid, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-2-hydroxy-gamma-oxo-, ethyl ester
  • Elevat
  • 1,3,4-Methano-1H-cyclobuta(cd)pentalene-2-pentanoic acid, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-2-hydroxy-gamma-oxo-, ethyl ester
  • 1,3,4-Metheno-1H-cyclobuta[cd]pentalene-2-levulinic acid, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-2-hydroxy-, ethyl ester
  • 1,3,4-Metheno-1H-cyclobuta[cd]pentalene-2-pentanoic acid, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-2-hydroxy-gamma-oxo-, ethyl ester
  • Kelevan, PESTANAL(R), analytical standard
  • ethyl 5-(1,2,3,4,6,7,8,9,10,10-decachloro-5-hydroxy-5-pentacyclo[5.3.0.02,6.03,9.04,8]decanyl)-4-oxopentanoate
  • Ethyl 5-[1,1a,3,3a,4,5,5,5a,5b,6-decachloro-2-hydroxyoctahydro-1H-1,3,4-(methanetriyl)cyclobuta[cd]pentalen-2-yl]-4-oxopentanoate

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
634.81 g/molcalc.
Exact mass
629.7621 Dacalc.
LogP (octanol/water)
5.08calc.
Topological polar surface area
63.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
6calc.
Heavy atoms
31calc.
Rings
6calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Fails (2 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, C1C2C3C4CC5C3C1C5C24

C1C2C3C4CC5C3C1C5C24

6 rings, 10 atoms.

12 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (14)
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Kelevan suppliers

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Kelevan price

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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: 607-079-00-6

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Kelevan is traded under.

HS 2918.99Indicative HS code

Carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone)…

World exports in 2024
$1.46B
−1.1% vs 2023, imports $1.54B
2019 to 2024
Top exporters
  1. China40.0%
  2. India * partner reported26.6%
  3. Germany8.0%
Top importers
  1. United States25.6%
  2. Brazil6.7%
  3. Argentina5.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Kelevan?

Kelevan is an oxo carboxylic acid.

What is the CAS number of Kelevan?

The CAS registry number of Kelevan is 4234-79-1.

What is the molecular formula and weight of Kelevan?

The molecular formula of Kelevan is C17H12Cl10O4 and its molar mass is 634.81 g/mol.

What is Kelevan used for?

Known uses and roles of Kelevan include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Kelevan hazardous?

Kelevan carries the GHS signal word "Danger". Main hazards: harmful if swallowed, toxic in contact with skin, 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 Kelevan?

Kelevan is usually classified under HS code 291899 (Carboxylic acids with additional oxygen function and their anhydrides, halides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Kelevan?

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What is the price of Kelevan?

Suppliers quote Kelevan 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

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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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