4-hydroxyantipyrine

Modify Date: 2024-01-08 22:43:14

4-hydroxyantipyrine Structure
4-hydroxyantipyrine structure
Common Name 4-hydroxyantipyrine
CAS Number 1672-63-5 Molecular Weight 204.22500
Density 1.294g/cm3 Boiling Point 314.3ºC at 760mmHg
Molecular Formula C11H12N2O2 Melting Point 184-186ºC(lit.)
MSDS Chinese USA Flash Point 143.9ºC
Symbol GHS07
GHS07
Signal Word Warning

 Use of 4-hydroxyantipyrine


4-Hydroxyantipyrine (4-Hydroxyphenazone; NSC 174055) is the major metabolite of Antipyrine (HY-B0171), can be as a biodistribution promoter. 4-Hydroxyantipyrine can increase distribution of concentration ratio of Citicoline and Antipyrine in the brain[1][2].

 Names

Name 4-hydroxy-1,5-dimethyl-2-phenylpyrazol-3-one
Synonym More Synonyms

 4-hydroxyantipyrine Biological Activity

Description 4-Hydroxyantipyrine (4-Hydroxyphenazone; NSC 174055) is the major metabolite of Antipyrine (HY-B0171), can be as a biodistribution promoter. 4-Hydroxyantipyrine can increase distribution of concentration ratio of Citicoline and Antipyrine in the brain[1][2].
Related Catalog
In Vitro 4-Hydroxyantipyrine increase the tissue-to-plasma concentration ratio of Citicoline in the brain and liver and that of thiopental sodium in the brain, liver, and heart[1]. 4-Hydroxyantipyrine enhances the blood-brain barrier (BBB) permeability of Antipyrine considering to be concerned with the increase of the Kp value of Antipyrine in the brain[2].
References

[1]. Ohkawa Y, et al. Effects of 4-hydroxyantipyrine and its 4-O-sulfate on antipyrine as biodistribution promoter. Biol Pharm Bull. 2001 May;24(5):529-34.

[2]. Ohkawa Y, et al. Application of 4-hydroxyantipyrine and acetaminophen O-sulfate as biodistribution promoter. Biol Pharm Bull. 2001 Dec;24(12):1404-10.

 Chemical & Physical Properties

Density 1.294g/cm3
Boiling Point 314.3ºC at 760mmHg
Melting Point 184-186ºC(lit.)
Molecular Formula C11H12N2O2
Molecular Weight 204.22500
Flash Point 143.9ºC
Exact Mass 204.09000
PSA 47.16000
LogP 1.19000
Vapour Pressure 0.000199mmHg at 25°C
Index of Refraction 1.63

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases 36/37/38
Safety Phrases 26-36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933990090

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles29

More Articles
The effect of age and sex on metabolism and urinary excretion of antipyrine.

J. Gerontol. A. Biol. Sci. Med. Sci. 53(1) , M14-9, (1998)

Drug-metabolizing capacity is generally reduced in the elderly. The purpose of this investigation was to study antipyrine clearance and metabolite excretion in old subjects of both sexes.Saliva cleara...

The pharmacokinetics of antipyrine and three of its metabolites in the rabbit: intravenous administration of pure metabolites.

Pharm. Res. 8(12) , 1470-6, (1991)

Antipyrine (AP) is a commonly used probe of oxidative metabolism. Indirect evidence demonstrates formation rate limited disposition of its metabolites. Kinetic studies using antipyrine and its major m...

Separation and identification of the 4-hydroxyantipyrine sulphoconjugate.

J. Chromatogr. A. 576(1) , 103-9, (1992)

In a previous study we observed, during separation of total antipyrine metabolites by high-performance liquid chromatography and after enzymatic hydrolysis, an unidentified peak corresponding to an io...

 Synonyms

MFCD00003143
1-phenyl-2,3-dimethyl-4-hydroxy-pyrazoline-5-on
4-hydroxy-1,5-dimethyl-2-phenyl-1,2-dihydro-3h-pyrazol-3-one
4-Hydroxy-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
1-Phenyl-2,3-dimethyl-4-hydroxy-5-pyrazolone
Prestwick_270
hydroxy-4 antipyrine
1,2-dihydro-4-hydroxy-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one
Antipyrine,4-hydroxy
4-Hydroxyantipyrine