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Home/Compounds/API/Phenacetin
C10H13NO2
179.22 g/mol
APIDanger

Phenacetin

CAS62-44-2EC200-533-0
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material

Phenacetin is a pharmaceutical raw material historically used as an analgesic and antipyretic agent. It was introduced in 1887 and widely employed for pain relief and fever reduction until the 1970s, when it was withdrawn from medicinal use due to safety concerns.

analgesic and antipyretic drug researchpharmaceutical manufacturing reference standard

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Restricted or banned substances

Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.

Relevant lists:California Proposition 65

CAS 62-44-2

Related Compounds

ReferenceSame Category

Lipoic acid

CAS62-46-4

pharmaceutical raw material

ReferenceSame Category

Nandrolone phenpropionate

CAS62-90-8

pharmaceutical raw material

ReferenceSame Category

Magnesium pidolate

CAS62003-27-4

pharmaceutical raw material

ReferenceSame Category

Dirithromycin

CAS62013-04-1

pharmaceutical raw material

Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Danger
H302Harmful if swallowed
H350May cause cancer
H341Suspected of causing genetic defects
H362May cause harm to breast-fed children
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
  • California Proposition 65USRegulation
    Listed· listed since 1989-10-01Source

Customs Tariff Classification

The international HS code for Phenacetin (CAS 62-44-2) is 2924.29.

HS code (international, 6-digit)

2924.29

EU CN code (8-digit)

2924 29 70

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

N-(4-ethoxyphenyl)acetamide

InChIKey

CPJSUEIXXCENMM-UHFFFAOYSA-N

SMILES

CCOC1=CC=C(C=C1)NC(=O)C

Synonyms (151)
  • Fenacetina [INN-Spanish]
  • Phenacetin (JAN/INN)
  • Phenacetin Melting Point Standard, United States Pharmacopeia (USP)
  • Phenacetin, United States Pharmacopeia (USP)
  • Phenacetine [INN-French]
  • Phenacetinum [INN-Latin]
  • 1-Acetamido-4-ethoxybenzene
  • 1-Acetyl-p-phenetidin
  • 4-(Acetylamino)phenetole
  • 4-Acetophenetidine
  • 4-Ethoxy-1-acetylaminobenzene
  • 4-Ethoxy-acetanilid
  • 4-Ethoxyacetanilide
  • ACET-PARA-PHENALIDE
  • ASA COMPOUND
  • Acet-p-phenalide
  • Acet-p-phenetidin
  • Acetanilide, 4'-ethoxy-
  • Acetanilide, p-ethoxy-
  • Aceto-para-phenalide
  • Aceto-para-phenetidide
  • Acetophenetidin
  • Acetophenetidine
  • Acetophenetin
  • Acetphenetidin
  • Acetylphenetidin
  • Achrocidin
  • Anapac
  • Bromo seltzer
  • Buff-A-Comp
  • Butigetic (Salt/Mix)
  • Citra-fort
  • Clistanol
  • Codempiral
  • Commotional
  • Contradol
  • Contradouleur
  • Coriforte
  • Coryban-D
  • Daprisal
  • Dasikon
  • Dasin ch
  • Dolostop
  • Edrisal
  • Empiral
  • Emprazil
  • Emprazil-C
  • Epragen
  • Fenacetin
  • Fenacetin [Czech]
  • Fenacetina
  • Fenia
  • Fenidina
  • Fenina
  • Fiorinal
  • Fortacyl
  • Gelonida
  • Gewodin
  • Helvagit
  • Hjorton'S powder
  • Hocophen
  • Kafa
  • Kalmin
  • Malex
  • Melabon
  • Melaforte
  • N-(4-Ethoxyphenyl)acetamide
  • N-(4-ethoxyphenol)acetamide
  • N-(4-ethoxyphenyl)ethanamide
  • N-Acetyl-4-ethoxyaniline
  • N-Acetyl-p-ethoxyaniline
  • N-Acetyl-p-phenetidine
  • N-Acetyl-para-phenetidine
  • N-acetylphenetylamine
  • N-para-Ethoxyphenylacetamide
  • P-A-C Compound (Salt/Mix)
  • PARA-ACETOPHENETIDE
  • PHENACETIN [MART.]
  • Pamprin
  • Para-acetphenetidin
  • Paracetophenetidin
  • Paramette
  • Paratodol
  • Pertonal
  • Phenacet
  • Phenacetin (Standard)
  • Phenacetin M.P. RS
  • Phenacetin, >=98.0% (HPLC)
  • Phenacetine
  • Phenacetinum
  • Phenacitin
  • Phenaphen plus
  • Phenazetin
  • Phenazetina
  • Phenedina
  • Phenidin
  • Phenin
  • Phenodyne
  • Pyraphen
  • Pyrroxate
  • Quadronal
  • Robaxisal-ph
  • Salgydal
  • Sanalgine
  • Saridon
  • Seranex
  • Sinedal
  • Sinutab
  • Sinutabs
  • Stellacyl
  • Super Anahist
  • Synalogos
  • Tacol
  • Terracydin
  • Tetracydin
  • Thephorin A-C
  • Treupel
  • Veganine
  • Viden
  • Xaril
  • Zactirin compound
  • aniline, N-acetyl-4-ethoxy-
  • p-Acetophenetide
  • p-Acetophenetidide
  • p-Acetophenetidide (8CI)
  • p-Acetophenetidine
  • p-Acetophenetitide
  • p-Acetphenetidin
  • p-Ethoxyacetanilide
  • p-Phenetidine, N-acetyl-
  • para Acetylphenetidin
  • para-Acetophenetidide
  • para-Acetophenetidine
  • para-Ethoxyacetanilide
  • para-Phenacetin
  • phenacetin