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Screening compounds

Zofran

Also known as Ondansetron hydrochloride dihydrate, Ondansetron hydrochloride hydrate, Setrodon

CAS 103639-04-9Formula C18H24ClN3O3Molar mass 365.86 g/molEC 600-465-5
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 82 suppliers listed
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Zofran chemical structure, C18H24ClN3O3, CAS 103639-04-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
103639-04-9
Formula
C18H24ClN3O3
Molar mass
365.86 g/mol
EC number
600-465-5
HS code
293329
Category
Screening compounds

What is Zofran?

Plain description, key identifiers and synonyms

Ondansetron hydrochloride is a member of carbazoles.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one, dihydrate, hydrochloride
CAS number
103639-04-9 CAS number cross-checked
EC number
600-465-5
Molecular formula
C18H24ClN3O3
UNII
NMH84OZK2B
MDL number
MFCD00374371
InChIKey
VRSLTNZJOUZKLX-UHFFFAOYSA-N
InChI
InChI=1S/C18H19N3O.ClH.2H2O/c1-12-19-9-10-21(12)11-13-7-8-16-17(18(13)22)14-5-3-4-6-15(14)20(16)2;;;/h3-6,9-10,13H,7-8,11H2,1-2H3;1H;2*1H2
SMILES (canonical and isomeric)
CC1=NC=CN1CC2CCC3=C(C2=O)C4=CC=CC=C4N3C.O.O.Cl

Synonyms

  • Ondansetron hydrochloride dihydrate
  • Ondansetron hydrochloride hydrate
  • Setrodon
  • 9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one, dihydrate, hydrochloride
  • Ondansetron (hydrochloride dihydrate)
  • 9-Methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-1,2,3,9-tetrahydro-4H-carbazol-4-one hydrochloride dihydrate
  • Ondansetron hydrochloride
  • 4H-Carbazol-4-one,1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-,monohydrochloride, dihydrate
  • Zensana
  • Zofrene
  • Yatrox
  • Zofran Zydis
  • Zofran (TN)
  • (+-)-2,3-Dihydro-9-methyl-3-((2-methylimidazol-1-yl)methyl)carbazol-4(1H)-one monohydrochloride dihydrate
  • Ondansetronhydrochloridedihydrate
  • Ondansetron (hydrochloride hydrate)
  • Ondansetron for TLC system suitability
  • Ondansetron hydrochloride dihydrate CRS
  • Ondansetron for LC system suitability CRS
  • Ondansetron for TLC system suitability CRS
  • Ondansetron hydrochloride hydrate (JAN/USP)
  • Ondansetron HCl dihydrate - Bio-X trade mark
  • Ondansetron (hydrochloride dihydrate) (Standard)
  • Ondansetron hydrochloride dihydrate, >=98% (HPLC), powder
  • Ondansetron for LC system suitability, European Pharmacopoeia (EP) Reference Standard
Show all 27 synonyms
  • Ondansetron for TLC system suitability, European Pharmacopoeia (EP) Reference Standard
  • Ondansetron hydrochloride dihydrate, European Pharmacopoeia (EP) Reference Standard

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
365.86 g/molcalc.
Exact mass
365.1506 Dacalc.
LogP (octanol/water)
1.9calc.
Topological polar surface area
102.8 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
1calc.
Components
4calc.
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=C1c2c([nH]c3ccccc23)CCC1Cn1ccnc1

O=C1c2c([nH]c3ccccc23)CCC1Cn1ccnc1

4 rings, 20 atoms, the 3-(Imidazol-1-ylmethyl)-1,2,3,9-tetrahydrocarbazol-4-one ring system.

21 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (15)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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 + P316If swallowed: Get emergency medical help immediately.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • 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

Zofran suppliers

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

All 82 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

82 suppliers in 15 countries

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Zofran 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

Roles

  • analgesic
  • antibacterial agent
  • antiemetic
  • antimicrobial agent
  • antineoplastic agent
  • pharmaceutical

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 Zofran is traded under.

HS 2933.29Indicative HS code

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the…

World exports in 2024
$1.43B
−7.6% vs 2023, imports $1.47B
2019 to 2024
Top exporters
  1. China28.1%
  2. France * partner reported12.7%
  3. India * partner reported10.3%
Top importers
  1. United Kingdom13.0%
  2. United States7.9%
  3. China6.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Zofran?

Ondansetron hydrochloride is a member of carbazoles.

What is the CAS number of Zofran?

The CAS registry number of Zofran is 103639-04-9.

What is the molecular formula and weight of Zofran?

The molecular formula of Zofran is C18H24ClN3O3 and its molar mass is 365.86 g/mol.

What is Zofran used for?

Known uses and roles of Zofran include building blocks in research and laboratory, screening compounds in research and laboratory, analgesic, antibacterial agent, antiemetic and 3 more.

Is Zofran hazardous?

Zofran carries the GHS signal word "Danger". Main hazards: toxic if swallowed, causes serious eye damage, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Zofran?

Zofran is usually classified under HS code 293329 (Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Zofran?

CompoundList lists 82 suppliers of Zofran in United States, China, India, United Kingdom and 11 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Zofran in India?

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

What is the price of Zofran?

Suppliers quote Zofran 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 Zofran

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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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