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Heterocyclic building blocks

Clonazoline

Also known as Clonazolina, Clonazolinum, 2-(4-Chloro-1-naphthylmethyl)-2-imidazoline

CAS 17692-28-3Formula C14H13ClN2Molar mass 244.73 g/molEC 680-306-4
GHS signal word: Warning. Pictograms: Harmful or irritant
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Clonazoline chemical structure, C14H13ClN2, CAS 17692-28-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17692-28-3
Formula
C14H13ClN2
Molar mass
244.73 g/mol
EC number
680-306-4
HS code
293329
Category
Heterocyclic building blocks

What is Clonazoline?

Plain description, key identifiers and synonyms

Clonazoline is a chemical substance with the molecular formula C14H13ClN2 and a molar mass of 244.73 g/mol. Its CAS registry number is 17692-28-3. The IUPAC name is 2-[(4-chloronaphthalen-1-yl)methyl]-4,5-dihydro-1H-imidazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(4-chloronaphthalen-1-yl)methyl]-4,5-dihydro-1H-imidazole
CAS number
17692-28-3 CAS number cross-checked
EC number
680-306-4
Molecular formula
C14H13ClN2
UNII
YH9K692U9S
InChIKey
GPPLXTFJYCQMRB-UHFFFAOYSA-N
InChI
InChI=1S/C14H13ClN2/c15-13-6-5-10(9-14-16-7-8-17-14)11-3-1-2-4-12(11)13/h1-6H,7-9H2,(H,16,17)
SMILES (canonical and isomeric)
C1CN=C(N1)CC2=CC=C(C3=CC=CC=C23)Cl

Synonyms

  • Clonazolina
  • Clonazolinum
  • 2-(4-Chloro-1-naphthylmethyl)-2-imidazoline
  • 2-Imidazoline, 2-(4-chloro-1-naphthyl-methyl)-
  • 2-[(4-chloronaphthalen-1-yl)methyl]-4,5-dihydro-1H-imidazole
  • 2-((4-Chloronaphthalen-1-yl)methyl)-4,5-dihydro-1H-imidazole

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
244.73 g/molcalc.
Exact mass
244.0767 Dacalc.
LogP (octanol/water)
3.04calc.
Topological polar surface area
24.39 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.21calc.
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, c1ccc2c(CC3=NCCN3)cccc2c1

c1ccc2c(CC3=NCCN3)cccc2c1

3 rings, 16 atoms, the Naphazoline 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

Hazard statements

  • H302Harmful if swallowed.
  • H335May cause respiratory irritation.
Precautionary statements (11)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • 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

Clonazoline suppliers

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Clonazoline 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

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 Clonazoline 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 Clonazoline is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Clonazoline?

Clonazoline is a chemical substance with the molecular formula C14H13ClN2 and a molar mass of 244.73 g/mol. Its CAS registry number is 17692-28-3. The IUPAC name is 2-[(4-chloronaphthalen-1-yl)methyl]-4,5-dihydro-1H-imidazole.

What is the CAS number of Clonazoline?

The CAS registry number of Clonazoline is 17692-28-3.

What is the molecular formula and weight of Clonazoline?

The molecular formula of Clonazoline is C14H13ClN2 and its molar mass is 244.73 g/mol.

What is Clonazoline used for?

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

Is Clonazoline hazardous?

Clonazoline carries the GHS signal word "Warning". Main hazards: harmful if swallowed, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Clonazoline?

Clonazoline 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 Clonazoline?

Post a free request on CompoundList and suppliers of Clonazoline will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Clonazoline?

Suppliers quote Clonazoline 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 Clonazoline

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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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