2-methyl-5-oxo-1-phenylpyrazole-3-carboxylic acid

Modify Date: 2025-08-27 22:56:02

2-methyl-5-oxo-1-phenylpyrazole-3-carboxylic acid Structure
2-methyl-5-oxo-1-phenylpyrazole-3-carboxylic acid structure
Common Name 2-methyl-5-oxo-1-phenylpyrazole-3-carboxylic acid
CAS Number 41405-77-0 Molecular Weight 218.20900
Density 1.407g/cm3 Boiling Point 355.7ºC at 760mmHg
Molecular Formula C11H10N2O3 Melting Point N/A
MSDS N/A Flash Point 168.9ºC

 Names

Name 2-methyl-5-oxo-1-phenylpyrazole-3-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.407g/cm3
Boiling Point 355.7ºC at 760mmHg
Molecular Formula C11H10N2O3
Molecular Weight 218.20900
Flash Point 168.9ºC
Exact Mass 218.06900
PSA 64.23000
LogP 0.87420
Index of Refraction 1.641
InChIKey OIHMJESJURQMDG-UHFFFAOYSA-N
SMILES Cn1c(C(=O)O)cc(=O)n1-c1ccccc1

 Safety Information

HS Code 2933199090

 Synthetic Route

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2-methyl-5-oxo-1-phenylpyrazole-3-carboxylic acid Structure

2-methyl-5-oxo-...

CAS#:41405-77-0

Literature: Bodendorf; Popelak Justus Liebigs Annalen der Chemie, 1950 , vol. 566, p. 84,88

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1H-Pyrazole-3-carboxylicacid,2,5-dihydro-2-methyl-5-oxo-1-phenyl
2-Methyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazol-3-carbonsaeure
3-Pyrazoline-3-carboxylicacid,2-methyl-5-oxo-1-phenyl-(7CI)
3-Carboxyantipyrine
2-Methyl-5-oxo-1-phenyl-3-pyrazolin-3-carboxylic acid
2-methyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-3-carboxylic acid
3-Carboxyantipyrin
2,5-Dihydro-2-methyl-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid
1-Phenyl-2-methyl-5-pyrazolon-3-carbonsaeure
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