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Screening compounds

Cloperastine

Also known as Cloperastina, Cloperastinum, 1-(2-((4-chlorophenyl)(phenyl)methoxy)ethyl)piperidine

CAS 3703-76-2Formula C20H24ClNOMolar mass 329.87 g/molEC 223-042-3
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 5 suppliers listed
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Cloperastine chemical structure, C20H24ClNO, CAS 3703-76-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3703-76-2
Formula
C20H24ClNO
Molar mass
329.87 g/mol
EC number
223-042-3
HS code
293339
Category
Screening compounds

What is Cloperastine?

Plain description, key identifiers and synonyms

1-[2-[(4-chlorophenyl)-phenylmethoxy]ethyl]piperidine is a diarylmethane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[2-[(4-chlorophenyl)-phenylmethoxy]ethyl]piperidine
CAS number
3703-76-2 CAS number cross-checked
EC number
223-042-3
Molecular formula
C20H24ClNO
UNII
69M5L7BXEK
InChIKey
FLNXBVJLPJNOSI-UHFFFAOYSA-N
InChI
InChI=1S/C20H24ClNO/c21-19-11-9-18(10-12-19)20(17-7-3-1-4-8-17)23-16-15-22-13-5-2-6-14-22/h1,3-4,7-12,20H,2,5-6,13-16H2
SMILES (canonical and isomeric)
C1CCN(CC1)CCOC(C2=CC=CC=C2)C3=CC=C(C=C3)Cl

Synonyms

  • Cloperastina
  • Cloperastinum
  • 1-(2-((4-chlorophenyl)(phenyl)methoxy)ethyl)piperidine
  • 1-(2-((4-Chlorophenyl)phenylmethoxy)ethyl)piperidine
  • 1-{2-[(4-chlorophenyl)(phenyl)methoxy]ethyl}piperidine
  • 1-(2-((4-chloro-alpha-phenylbenzyl)oxy)ethyl)piperidine
  • 1-[2-[(4-chlorophenyl)-phenylmethoxy]ethyl]piperidine
  • Piperidine, 1-[2-[(4-chlorophenyl)phenylmethoxy]ethyl]-
  • Cloperastine (hydrochloride)
  • Cloperastine (INN)
  • Piperidine, 1-(2-((4-chlorophenyl)phenylmethoxy)ethyl)-
  • 1-[2-[(4-chlorophenyl)-phenyl-methoxy]ethyl]piperidine
  • LevocloperastineIH
  • HT 11
  • 1-(2-[(p-Chloro-alpha-phenylbenzyl)oxy]ethyl)piperidine
  • 1-(2-((P-Chloro-alpha-phenylbenzyl)oxy)ethyl)piperidine
  • cloperastine-fendizoate
  • Piperidine, 1-[2-[(4-chlorophenyl)phenylmethoxy]ethyl]-, hydrochloride
  • 5-20-02-00105 (Beilstein Handbook Reference)
  • DivK1c_000840
  • 1- 2-((p-Chloro-alpha-phenylbenzyl)oxy)ethyl piperidine
  • 1-{2-((p-Chloro-alpha-phenylbenzyl)oxy)ethyl}piperidine
  • Piperidine, 1-(2-((p-chloro-alpha-phenylbenzyl)oxy)ethyl)-
  • 1-(2-[(4-Chlorophenyl)(phenyl)methoxy]ethyl)piperidine #

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
329.87 g/molcalc.
Exact mass
329.1546 Dacalc.
LogP (octanol/water)
4.93calc.
Topological polar surface area
12.47 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
6calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.4calc.
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, c1ccc(C(OCCN2CCCCC2)c2ccccc2)cc1

c1ccc(C(OCCN2CCCCC2)c2ccccc2)cc1

3 rings, 22 atoms, the Perastine ring system.

13 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H336May cause drowsiness or dizziness.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P319Get medical help if you feel unwell.
  • P391Collect spillage.
  • 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

Cloperastine suppliers

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All 5 suppliers
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Where suppliers are based

5 suppliers in 4 countries

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Cloperastine 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.

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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

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 Cloperastine is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Cloperastine?

1-[2-[(4-chlorophenyl)-phenylmethoxy]ethyl]piperidine is a diarylmethane.

What is the CAS number of Cloperastine?

The CAS registry number of Cloperastine is 3703-76-2.

What is the molecular formula and weight of Cloperastine?

The molecular formula of Cloperastine is C20H24ClNO and its molar mass is 329.87 g/mol.

What is Cloperastine used for?

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

Is Cloperastine hazardous?

Cloperastine carries the GHS signal word "Warning". Main hazards: may cause drowsiness or dizziness, 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 Cloperastine?

Cloperastine is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cloperastine?

CompoundList lists 5 suppliers of Cloperastine in China, Germany, Hong Kong and Japan. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cloperastine?

Suppliers quote Cloperastine 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 Cloperastine

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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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