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Merck

1514008

USP

Phenacetin Melting Point Standard

United States Pharmacopeia (USP) Reference Standard

Sinónimos:

Phenacetin, 1-Acetyl-p-phenetidin, 4′-Ethoxyacetanilide, N-(4-Ethoxyphenyl)acetamide, p-Acetophenetidide, Acetophenetidin

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Fórmula lineal:
CH3CONHC6H4OC2H5
Número CAS:
Peso molecular:
179.22
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
EC Number:
200-533-0
Beilstein/REAXYS Number:
1869238
MDL number:
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grade

pharmaceutical primary standard

agency

USP

API family

phenacetin

manufacturer/tradename

USP

mp

133-136 °C

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CCOc1ccc(NC(C)=O)cc1

InChI

1S/C10H13NO2/c1-3-13-10-6-4-9(5-7-10)11-8(2)12/h4-7H,3H2,1-2H3,(H,11,12)

InChI key

CPJSUEIXXCENMM-UHFFFAOYSA-N

General description

Phenacetin Melting Point Standard (Phenacetin) is a lipid-soluble drug with moderate solubility with aqueous solvents. Its oral absorption is based on formulation factors like particle size. Its major metabolic route is O-dealkylation to paracetamol and its minor pathways are deacetylation and hydroxylation to form pphenetidine, 2-hydroxyphenetidine, 2- and 3-hydroxyphenacetin and N-hydroxyphenacetin.

Application

Phenacetin Melting Point Standard USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Biochem/physiol Actions

Substrate of CYP1A2 and CYP2D6.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.


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Danger

flash_point_f

Not applicable

flash_point_c

Not applicable

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Muta. 2 - Skin Sens. 1 - Water-react. 2

Clase de almacenamiento

4.3 - Hazardous materials which set free flammable gases upon contact with water



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Kinetics and metabolism of paracetamol and phenacetin
Prescott, L.F.
British Journal of Clinical Pharmacology (1980)
S P Clissold
Drugs, 32 Suppl 4, 46-59 (1986-01-01)
Since their synthesis in the late 1800s paracetamol (acetaminophen) and phenacetin have followed divergent pathways with regard to their popularity as mild analgesic/antipyretic drugs. Initially, paracetamol was discarded in favour of phenacetin because the latter drug was supposedly less toxic.
[Phenacetin abuse I. Occurrence, per capita consumption and costs of treatment].
M J Mihatsch et al.
Schweizerische medizinische Wochenschrift, 110(4), 108-115 (1980-01-28)