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Amines and amides

4-Chlorocinnamamide

Also known as 3-(4-Chlorophenyl)acrylamide, p-Chlorocinnamamide, (E)-3-(4-Chlorophenyl)acrylamide

CAS 18166-64-8Formula C9H8ClNOMolar mass 181.62 g/mol
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4-Chlorocinnamamide chemical structure, C9H8ClNO, CAS 18166-64-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
18166-64-8
Formula
C9H8ClNO
Molar mass
181.62 g/mol
HS code
292429
Category
Amines and amides

What is 4-Chlorocinnamamide?

Plain description, key identifiers and synonyms

4-Chlorocinnamamide is a chemical substance with the molecular formula C9H8ClNO and a molar mass of 181.62 g/mol. Its CAS registry number is 18166-64-8. The IUPAC name is (E)-3-(4-chlorophenyl)prop-2-enamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-3-(4-chlorophenyl)prop-2-enamide
CAS number
18166-64-8Other or deprecated CAS: 36650-34-7
Molecular formula
C9H8ClNO
MDL number
MFCD00017147
InChIKey
PWXPFYVNYKVJBW-ZZXKWVIFSA-N
InChI
InChI=1S/C9H8ClNO/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6H,(H2,11,12)/b6-3+
Canonical SMILES
NC(=O)C=Cc1ccc(Cl)cc1
Isomeric SMILES
C1=CC(=CC=C1/C=C/C(=O)N)Cl

Synonyms

  • 3-(4-Chlorophenyl)acrylamide
  • p-Chlorocinnamamide
  • (E)-3-(4-Chlorophenyl)acrylamide
  • (E)-3-(4-chlorophenyl)prop-2-enamide
  • (2E)-3-(4-chlorophenyl)prop-2-enamide
  • (2E)-3-(4-Chlorophenyl)-2-propenamide
  • 2-Propenamide, 3-(4-chlorophenyl)-
  • p-Chlorocinnamide
  • 4-Chlorocinnamide
  • 4-Chlorocinnamide,trans
  • (2e)-3-(4-chlorophenyl)acrylamide
  • (2E)-3-(4-Chlorophenyl)-2-propenamide #

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
181.62 g/molcalc.
Exact mass
181.0294 Dacalc.
LogP (octanol/water)
1.84calc.
Topological polar surface area
43.09 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

4-Chlorocinnamamide suppliers

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Where suppliers are based

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4-Chlorocinnamamide 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 4-Chlorocinnamamide is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

The HS code shown for 4-Chlorocinnamamide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Chlorocinnamamide, based on the data on this page

What is 4-Chlorocinnamamide?

4-Chlorocinnamamide is a chemical substance with the molecular formula C9H8ClNO and a molar mass of 181.62 g/mol. Its CAS registry number is 18166-64-8. The IUPAC name is (E)-3-(4-chlorophenyl)prop-2-enamide.

What is the CAS number of 4-Chlorocinnamamide?

The CAS registry number of 4-Chlorocinnamamide is 18166-64-8. Other or deprecated CAS numbers: 36650-34-7.

What is the molecular formula and weight of 4-Chlorocinnamamide?

The molecular formula of 4-Chlorocinnamamide is C9H8ClNO and its molar mass is 181.62 g/mol.

What is 4-Chlorocinnamamide used for?

Known uses and roles of 4-Chlorocinnamamide include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-Chlorocinnamamide hazardous?

No GHS hazard classification for 4-Chlorocinnamamide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 4-Chlorocinnamamide?

4-Chlorocinnamamide is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Chlorocinnamamide?

CompoundList lists 1 supplier of 4-Chlorocinnamamide in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Chlorocinnamamide?

Suppliers quote 4-Chlorocinnamamide 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 4-Chlorocinnamamide

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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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