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Central nervous system drugs

Iloperidone

Also known as Fanapt, Zomaril, HP 873

CAS 133454-47-4Formula C24H27FN2O4Molar mass 426.49 g/molEC 603-745-5
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 72 suppliers listed Drug substance
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Iloperidone chemical structure, C24H27FN2O4, CAS 133454-47-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White to off-white finely crystalline powder
Melting point
118 to 120
Solubility
Practically insoluble in water
HS code
293499
Category
Central nervous system drugs
Illustrative photo, off-white crystalline powder in an HDPE jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Iloperidone?

Plain description, key identifiers and synonyms

Iloperidone is a member of the class of piperidines that is the 4-acetyl-2-methoxyphenyl ether of 3-(piperidin-1-yl)propan-1-ol which is substituted at position 4 of the piperidine ring by a 6-fluoro-1,2-benzoxazol-3-yl group. A member of the group of second generation antipsychotics (also known as an atypical antipsychotics), it is used for the treatment of schizophrenia. It has a role as a serotonergic antagonist, a dopaminergic antagonist and a second generation antipsychotic. It is a member of piperidines, an aromatic ether, an organofluorine compound, a tertiary amino compound, a member of 1,2-benzoxazoles, a methyl ketone, a monoamine and an aromatic ketone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[4-[3-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]propoxy]-3-methoxyphenyl]ethanone
CAS number
133454-47-4 CAS number cross-checked
EC number
603-745-5
Molecular formula
C24H27FN2O4
UNII
VPO7KJ050N
MDL number
MFCD00866688
InChIKey
XMXHEBAFVSFQEX-UHFFFAOYSA-N
InChI
InChI=1S/C24H27FN2O4/c1-16(28)18-4-7-21(23(14-18)29-2)30-13-3-10-27-11-8-17(9-12-27)24-20-6-5-19(25)15-22(20)31-26-24/h4-7,14-15,17H,3,8-13H2,1-2H3
SMILES (canonical and isomeric)
CC(=O)C1=CC(=C(C=C1)OCCCN2CCC(CC2)C3=NOC4=C3C=CC(=C4)F)OC

Synonyms

  • Fanapt
  • Zomaril
  • HP 873
  • iloperidona
  • 1-[4-[3-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]propoxy]-3-methoxyphenyl]ethanone
  • iloperidonum
  • 4'-(3-(4-(6-Fluoro-1,2-benzisoxazol-3-yl)piperidino)propoxy)-3'-methoxyacetophenone
  • Ethanone, 1-(4-(3-(4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl)propoxy)-3-methoxyphenyl)-
  • 1-(4-{3-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]propoxy}-3-methoxyphenyl)ethanone
  • 1-(4-(3-(4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl)propoxy)-3-methoxyphenyl)ethanone
  • Ethanone, 1-[4-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]propoxy]-3-methoxyphenyl]-
  • Fanapta
  • Iloperidone (Fanapt)
  • Iloperidone-d3
  • 1-[4-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]propoxy]-3-methoxyphenyl]ethanone
  • 1-(4-{3-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]propoxy}-3-methoxyphenyl)ethan-1-one
  • 1-[4-[3-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]propoxy]-3-(trideuteriomethoxy)phenyl]ethanone
  • 1-[4-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1- piperidinyl]propoxy]-3-methoxyphenyl]ethanone
  • 1-(4-{3-[4-(6-Fluoro-benzo[d]isoxazol-3-yl)-piperidin-1-yl]-propoxy}-3-methoxy-phenyl)-ethanone
  • Fiapta
  • Fanapt (TN)
  • Iloperidone (USAN/INN)
  • PS36 - Iloperidone
  • Iloperidone Impurity N1
  • 1-(4-(3-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)propoxy)-3-methoxyphenyl)ethanone
Show all 27 synonyms
  • Iloperidone, >=98% (HPLC)
  • PDSP1_000514

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

Appearance
White to off-white finely crystalline powderexp.
Melting point
118 to 120exp.
Solubility
Practically insoluble in waterexp.

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
426.49 g/molcalc.
Exact mass
426.1955 Dacalc.
LogP (octanol/water)
4.83calc.
Topological polar surface area
64.8 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
8calc.
Heavy atoms
31calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.42calc.
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, c1ccc(OCCCN2CCC(c3noc4ccccc34)CC2)cc1

c1ccc(OCCCN2CCC(c3noc4ccccc34)CC2)cc1

4 rings, 25 atoms.

16 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)

Hazard statements

  • H300Fatal if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Iloperidone suppliers

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All 72 suppliers
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Where suppliers are based

72 suppliers in 13 countries

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Iloperidone 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

An atypical, negative symptom antipsychotic agent.

Industries and functions

Pharmacological actions

  • Antipsychotic Agents

Roles

  • antagonist
  • antidepressant
  • antipsychotic agent
  • central nervous system depressant
  • central nervous system drug
  • dopaminergic agent
  • dopaminergic antagonist
  • neurotransmitter agent
  • pharmaceutical
  • psychotropic drug
  • second generation antipsychotic
  • serotonergic antagonist
  • serotonergic drug
  • tranquilizing drug

Pharmacology

Iloperidone is an Atypical Antipsychotic.

How it is made

Preparation: J. T. Strupczewski et al., European Patent Office patent 402644, eidem, United States of America patent 5364866 (1990, 1994 both to Hoechst-Roussel).

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Iloperidone?

Iloperidone is a member of the class of piperidines that is the 4-acetyl-2-methoxyphenyl ether of 3-(piperidin-1-yl)propan-1-ol which is substituted at position 4 of the piperidine ring by a 6-fluoro-1,2-benzoxazol-3-yl group.

What is the CAS number of Iloperidone?

The CAS registry number of Iloperidone is 133454-47-4.

What is the molecular formula and weight of Iloperidone?

The molecular formula of Iloperidone is C24H27FN2O4 and its molar mass is 426.49 g/mol.

What is Iloperidone used for?

An atypical, negative symptom antipsychotic agent.

Is Iloperidone hazardous?

Iloperidone carries the GHS signal word "Danger". Main hazards: fatal if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Iloperidone?

Iloperidone is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Iloperidone?

CompoundList lists 72 suppliers of Iloperidone in China, United States, India, United Kingdom and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Iloperidone in India?

12 suppliers in India list Iloperidone on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Iloperidone?

Suppliers quote Iloperidone 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 Iloperidone

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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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