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Merck
CN

P1200000

Phenylbutazone

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione

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About This Item

Empirical Formula (Hill Notation):
C19H20N2O2
CAS Number:
50-33-9
Molecular Weight:
308.37
NACRES:
NA.24
PubChem Substance ID:
329820078
UNSPSC Code:
41116107
MDL number:
MFCD00005500

Key Documents

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Product Name

Phenylbutazone, European Pharmacopoeia (EP) Reference Standard

InChI

1S/C19H20N2O2/c1-2-3-14-17-18(22)20(15-10-6-4-7-11-15)21(19(17)23)16-12-8-5-9-13-16/h4-13,17H,2-3,14H2,1H3

SMILES string

CCCCC1C(=O)N(N(C1=O)c2ccccc2)c3ccccc3

InChI key

VYMDGNCVAMGZFE-UHFFFAOYSA-N

grade

pharmaceutical primary standard

API family

phenylbutazone

manufacturer/tradename

EDQM

mp

106-108 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

Gene Information

human ... PTGS1(5742), PTGS2(5743)

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Application

Phenylbutazone EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Peter Lees et al.
Veterinary journal (London, England : 1997), 196(3), 294-303 (2013-06-01)
The presence of horse meat in food products destined for human consumption and labelled as beef has raised several concerns of public interest. This review deals solely with one aspect of these concerns; samples of equine tissue from horses destined
L R Soma et al.
Journal of veterinary pharmacology and therapeutics, 35(1), 1-12 (2011-06-15)
This review presents a brief historical prospective of the genesis of regulated medication in the US racing industry of which the nonsteroidal anti-inflammatory drug (NSAID) phenylbutazone (PBZ) is the focus. It presents some historical guideposts in the development of the
J Aarbakke
Clinical pharmacokinetics, 3(5), 369-380 (1978-09-01)
More than 25 years after phenylbutazone was introduced as a non-steroidal anti-inflammatory agent, basic knowledge is still accumulating on its pharmacokinetics in man. Phenylbutazone is almost completely absorbed after oral administration. A large fraction of the drug in plasma is
T Tobin et al.
Journal of veterinary pharmacology and therapeutics, 9(1), 1-25 (1986-03-01)
Phenylbutazone is an acidic, lipophilic, non-steroidal anti-inflammatory drug (NSAID). It is extensively metabolized in the horse. The metabolites so far identified, oxyphenbutazone, gamma-hydroxyoxyphenbutazone, account for some 25-30% of administered dose over 24 h. The plasma half-life of phenylbutazone and termination
Robert D Combes
Alternatives to laboratory animals : ATLA, 41(3), 235-248 (2013-08-27)
Published in silico, in vitro, in vivo laboratory animal and human data, together with information on biotransformation and data from structure-activity analyses with two decision-tree systems (ACToR and Toxtree), have been used in a weight-of-evidence (WoE) assessment to determine whether
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