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556882

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

97%

Synonym(s):

1-(4-Chlorophenyl)-3-methyl-5-pyrazolone, 2-(4-Chlorophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one, 3-Methyl-1-(4-chlorophenyl)-5-pyrazolone

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About This Item

Empirical Formula (Hill Notation):
C10H9ClN2O
CAS Number:
13024-90-3
Molecular Weight:
208.64
UNSPSC Code:
12352100
PubChem Substance ID:
24879589
EC Number:
235-884-9
MDL number:
MFCD00043814
Assay:
97%
Form:
solid
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assay

97%

form

solid

mp

167-171 °C (lit.)

SMILES string

CC1=NN(C(=O)C1)c2ccc(Cl)cc2

InChI

1S/C10H9ClN2O/c1-7-6-10(14)13(12-7)9-4-2-8(11)3-5-9/h2-5H,6H2,1H3

InChI key

WHIXQFSPEDIMGL-UHFFFAOYSA-N

General description

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one is an analog of edaravone, a radioprotector. The similarity in the absorption spectra of 1-(4-chlorophenyl)-3-methyl-2-pyrazolin-5-one radical edaravone radical indicates that the phenyl group is involved in the reaction with the OH. radicals. Absorption spectrum of 1-(4-chlorophenyl)-3-methyl-2-pyrazolin-5-one radical oxidized by N⋅3 shows an absorption peak at 360nm.

Application

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one may be used to synthesize 1-(2-chlorophenyl)-3-methylchromeno[2,3-c]pyrazol-4(1H)-one.

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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