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Merck
CN

79184

Phenylbutazone

analytical 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:
329768297
UNSPSC Code:
41116107
EC Number:
200-029-0
MDL number:
MFCD00005500

Key Documents

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InChI key

VYMDGNCVAMGZFE-UHFFFAOYSA-N

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

grade

analytical standard

assay

≥98.5% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤0.5% water

mp

106-108 °C (lit.)

application(s)

forensics and toxicology
veterinary

format

neat

storage temp.

15-25°C

Quality Level

100

Gene Information

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

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCK0181
BCCF3001
BCBX5245
BCBQ9861V

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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
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
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
Bone marrow depression due to mianserin, phenylbutazone, oxyphenbutazone, and chloramphenicol--Part II.
S Chaplin
Adverse drug reactions and acute poisoning reviews, 5(3), 181-196 (1986-01-01)
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