ChemicalBook--->CAS DataBase List--->519-98-2

519-98-2

519-98-2 Structure

519-98-2 Structure
IdentificationBack Directory
[Name]

1,2-dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl-3H-pyrazol-3-one
[CAS]

519-98-2
[Synonyms]

N-Methy
noramidopyrine
Noraminopyrine
Methylaminophenazone
Metamizole Impurity C
Methylaminoantipyrine
N-Methylaminophenazone
4-Methylaminophenazone
Monomethylaminoantipyrine
4-(Methylamino)-antipyrine
4-Monomethylaminophenazone
4-Monomethylaminoantipyrine
4-(N-Methyl)-aminoantipyrine
ANTIPYRINE, 4-(METHYLAMINO)-
MetaMizole IMpurity C (4-MethylaMinoantipyrine)
1,5-dimethyl-4-methylamino-2-phenyl-3-pyrazolone
1,5-dimethyl-4-(methylamino)-2-phenylpyrazol-3-one
1,5-dimethyl-4-(methylamino)-2-phenyl-pyrazol-3-one
2,3-Dimethyl-4-methylamino-1-phenyl-3-pyrazolin-5-one
Metamizole Sodium Impurity 3(Minocycline EP Impurity C)
3H-pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylamino)
Metamizole Sodium Impurity 3(Metamizole Sodium EP Impurity C)
1,5-dimethyl-4-(methylamino)-2-phenyl-1,2-dihydropyrazol-3-one
1,2-dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl-3H-pyrazol-3-one
2-(1-cyclohexa-2,4-dienyl)-1,5-dimethyl-4-(methylamino)-3-pyrazolone
3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl-
1,5-Dimethyl-4-(methylamino)-2-phenyl-1,2-dihydro-3H-pyrazol-3-one hydrochloride
[EINECS(EC#)]

208-281-3
[Molecular Formula]

C12H15N3O
[MDL Number]

MFCD16620361
[MOL File]

519-98-2.mol
[Molecular Weight]

217.27
Chemical PropertiesBack Directory
[Melting point ]

50-53°C
[Boiling point ]

324.5±45.0 °C(Predicted)
[density ]

1.20±0.1 g/cm3 (20 ºC 760 Torr)
[storage temp. ]

-20°C Freezer
[solubility ]

Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

4.76±0.20(Predicted)
[color ]

Pale Yellow to Brown
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302
[Precautionary statements ]

P264-P270-P301+P312-P330-P501
[REACH Registrations]

Active
[HazardClass ]

IRRITANT
[Toxicity]

LD50 oral in mouse: 7gm/kg
Raw materials And Preparation ProductsBack Directory
Hazard InformationBack Directory
[Chemical Properties]

Pale Orange Low Melting Waxy Solid
[Uses]

A metabolite of Dipyrone
[Definition]

ChEBI: A member of the class of pyrazoles that is antipyrine substituted at C-4 by a methylamino group. It is a metabolite of aminopyrine and of metamizole.
[in vivo]

The aim of this study is to assess the pharmacokinetics of its active metabolites 4-Methylamino antipyrine in male piglets after a single intramuscular injection of Metamizole. Eight healthy male piglets are administered Metamizole (100 mg/kg) intramuscularly. 4-Methylamino antipyrine plasma concentrations are quantitatively detectable from 0.25 to 48 h. The average maximum concentrations of 4-Methylamino antipyrine is of 47.59 mg/mL. The average half-lives is 8.57 h for 4-Methylamino antipyrine[1].

Spectrum DetailBack Directory
[Spectrum Detail]

1,2-dihydro-1,5-dimethyl-4-(methylamino)-2-phenyl-3H-pyrazol-3-one(519-98-2)1HNMR
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