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Aromatic building blocks

Phenacemide

Also known as Phenurone, Phenylacetylurea, Phenacetylurea

CAS 63-98-9Formula C9H10N2O2Molar mass 178.19 g/molEC 200-570-2
GHS signal word: Warning. Pictograms: Harmful or irritant
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Phenacemide chemical structure, C9H10N2O2, CAS 63-98-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystals from alcohol
Melting point
212 to 216
Solubility
VERY SLIGHTLY SOL IN WATER, SLIGHTLY SOL IN ALC, BENZENE, CHLOROFORM, ETHER
HS code
292519
Category
Aromatic building blocks
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Phenacemide?

Plain description, key identifiers and synonyms

Phenacemide is a member of acetamides.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-carbamoyl-2-phenylacetamide
CAS number
63-98-9 CAS number cross-checked
EC number
200-570-2
Molecular formula
C9H10N2O2
UNII
PAI7J52V09
InChIKey
XPFRXWCVYUEORT-UHFFFAOYSA-N
InChI
InChI=1S/C9H10N2O2/c10-9(13)11-8(12)6-7-4-2-1-3-5-7/h1-5H,6H2,(H3,10,11,12,13)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)CC(=O)NC(=O)N

Synonyms

  • Phenurone
  • Phenylacetylurea
  • Phenacetylurea
  • Cetylureum
  • Phacetur
  • Phenuron
  • Epiclase
  • Fenacemid
  • Phenacalum
  • Phenacetur
  • Phenicarb
  • Phetylureum
  • Phenacetylcarbamide
  • Acetylureum
  • Carbanmide
  • Comitiadone
  • Fenacemide
  • Fenacetamide
  • Fenostenyl
  • Neophenal
  • Phenarone
  • Epheron
  • Felurea
  • Fenilep
  • Fenised
Show all 39 synonyms
  • Fenural
  • Fenurea
  • Fenurone
  • Fenytan
  • Phenutal
  • Phenyrit
  • (Phenylacetyl)urea
  • (2-phenylacetyl)urea
  • Eferon
  • Phenylacetyluree
  • Fenacetil-karbamide
  • Carbamide phenylacetate
  • Fenacemida
  • Phenacemidum

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
Crystals from alcoholexp.
Odour
ODORLESS, OR PRACTICALLY SOexp.
Taste
TASTELESSexp.
Melting point
212 to 216exp.
Solubility
VERY SLIGHTLY SOL IN WATER, SLIGHTLY SOL IN ALC, BENZENE, CHLOROFORM, ETHERexp.

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
178.19 g/molcalc.
Exact mass
178.0742 Dacalc.
LogP (octanol/water)
0.42calc.
Topological polar surface area
72.19 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.11calc.
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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Phenacemide suppliers

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Phenacemide 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

Therap. cat: Anticonvulsant.

Use classes: Pharmaceuticals.

Roles

  • anticonvulsant
  • central nervous system depressant
  • central nervous system drug
  • pharmaceutical

How it is made

Prepd by action of aq nh3 on phenacetylurethan: basterfield, greig, can j res 8, 454 (1933), of phenacetyl chloride on urea: spielman et al, j am chem soc 70, 4189 (1948).

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Phenacemide (INN), Ref no: 269, Annex ref: II/269

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2925.19Indicative HS code

Imides and their derivatives, salts thereof, other

World exports in 2024
$295M
+11.7% vs 2023, imports $348M
2019 to 2024
Top exporters
  1. China29.7%
  2. Japan22.7%
  3. United Kingdom10.0%
Top importers
  1. United States12.7%
  2. Brazil12.6%
  3. China10.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Phenacemide?

Phenacemide is a member of acetamides.

What is the CAS number of Phenacemide?

The CAS registry number of Phenacemide is 63-98-9.

What is the molecular formula and weight of Phenacemide?

The molecular formula of Phenacemide is C9H10N2O2 and its molar mass is 178.19 g/mol.

What is Phenacemide used for?

Therap. cat: Anticonvulsant. Use classes: Pharmaceuticals.

Is Phenacemide hazardous?

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

What is the HS code of Phenacemide?

Phenacemide is usually classified under HS code 292519 (Imides and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phenacemide?

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

What is the price of Phenacemide?

Suppliers quote Phenacemide 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 Phenacemide

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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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