3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(2-methylphenyl)-

Modify Date: 2025-12-03 14:53:05

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(2-methylphenyl)- structure	Common Name	3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(2-methylphenyl)-
	CAS Number	29211-55-0	Molecular Weight	188.22600
	Density	1.15g/cm3	Boiling Point	343.4ºC at 760mmHg
	Molecular Formula	C₁₁H₁₂N₂O	Melting Point	N/A
	MSDS	N/A	Flash Point	161.5ºC

Name	5-methyl-2-(2-methylphenyl)-4H-pyrazol-3-one
Synonym	More Synonyms

Density	1.15g/cm3
Boiling Point	343.4ºC at 760mmHg
Molecular Formula	C₁₁H₁₂N₂O
Molecular Weight	188.22600
Flash Point	161.5ºC
Exact Mass	188.09500
PSA	32.67000
LogP	1.60820
Vapour Pressure	7.08E-05mmHg at 25°C
Index of Refraction	1.595
InChIKey	GENSTRUCMIZOCD-UHFFFAOYSA-N
SMILES	CC1=NN(c2ccccc2C)C(=O)C1

Ethyl acetoacetate

CAS#:141-97-9

o-tolylhydrazine

CAS#:529-27-1

~65%

3H-Pyrazol-3-on...

CAS#:29211-55-0

Literature: Duffy; Darcy; Delorme; Dillon; Eppley; Erickson-Miller; Giampa; Hopson; Huang; Keenan; Lamb; Leong; Liu; Miller; Price; Rosen; Shah; Shaw; Smith; Stark; Tian; Tyree; Wiggall; Zhang; Luengo Journal of Medicinal Chemistry, 2001 , vol. 44, # 22 p. 3730 - 3745

Precursor 2
CAS#:141-97-9 Ethyl acetoacetate CAS#:529-27-1 o-tolylhydrazine
DownStream 0

5-methyl-2-o-tolyl-1,2-dihydro-pyrazol-3-one

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(2-methylphenyl)-
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(2-methylphenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(2-methylphenyl)-

Names

Chemical & Physical Properties

Synthetic Route

Precursor & DownStream

Synonyms

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