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

CAS No.：14580-22-4

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Basic information

Product Name:	1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
Synonyms:	AKOS B028754;3-Methyl-1-(2'-chlorophenyl)-5-pyrazolone;1-(2-Chlorophenyl)-3-methyl-5(4H)-pyrazolone;LABOTEST-BB LT00452413;1-(O-CHLOROPHENYL)-3-METHYL-2-PYRAZOLINE-5-ONE;1-(O-CHLOROPHENYL)-3-METHYL-5-PYRAZOLONE;2-(2-chlorophenyl)-2,4-dihydro-5-methyl-3h-pyrazol-3-one;1-(2-CHLOROPHENYL)-3-METHYL-2-PYRAZOLIN-5-ONE
CAS:	14580-22-4
MF:	C10H9ClN2O
MW:	208.64
EINECS:	238-623-7
Product Categories:	API Intermediate;Pyrazoles;Building Blocks;Halogenated Heterocycles;Heterocyclic Building Blocks;PyrazolesHeterocyclic Building Blocks;Intermediates of Dyes and Pigments
Mol File:	14580-22-4.mol

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Chemical Properties

Melting point	193-197 °C (lit.)
Boiling point	361.6±25.0 °C(Predicted)
density	1.32±0.1 g/cm3(Predicted)
pka	2.05±0.50(Predicted)
form	powder to crystal
color	White to Orange to Green
CAS DataBase Reference	14580-22-4(CAS DataBase Reference)
EPA Substance Registry System	3H-Pyrazol-3-one, 2-(2-chlorophenyl)-2,4-dihydro-5-methyl- (14580-22-4)

Safety Information

Hazard Codes	Xi
Risk Statements	36
Safety Statements	26
WGK Germany	1

MSDS Information

Provider	Language
SigmaAldrich	English

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Usage And Synthesis

Chemical Properties	Light yellow crystalline powder
Uses	1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one may be used in the preparation of 1-(2-chlorophenyl)-3-methylchromeno[2,3-c]pyrazol-4(1H)-one, a heterocyclic analog of xanthone.

1-(2-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Preparation Products And Raw materials

Preparation Products

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