Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate

Modify Date: 2025-09-18 15:37:38

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure
Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate structure
Common Name Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate
CAS Number 52867-42-2 Molecular Weight 156.13900
Density 1.288g/cm3 Boiling Point 330.7ºC at 760mmHg
Molecular Formula C6H8N2O3 Melting Point N/A
MSDS N/A Flash Point 153.8ºC

 Names

Name methyl 2-methyl-5-oxo-1H-pyrazole-3-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.288g/cm3
Boiling Point 330.7ºC at 760mmHg
Molecular Formula C6H8N2O3
Molecular Weight 156.13900
Flash Point 153.8ºC
Exact Mass 156.05300
PSA 64.09000
Index of Refraction 1.508
InChIKey IYAQFZAPKKWPNU-UHFFFAOYSA-N
SMILES COC(=O)c1cc(=O)[nH]n1C

 Safety Information

HS Code 2933199090

 Synthetic Route

~53%

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure

Methyl 3-Hydrox...

CAS#:52867-42-2

Literature: AICURIS GMBH and CO. KG; KLENKE, Burkhard; WIEGAND, Irith; SCHIFFER, Guido; BROETZ-OESTERHELT, Heike; MAITI, Samarendra N.; KHAN, Jehangir; REDDY, Andhe; YANG, Zhixiang; HENA, Mostafa; JIA, Guofeng; LIGONG, Ou; LIANG, Hong; YIP, Judy; GAO, Chuanjun; TAJAMMUL, Sabiha; MOHAMMAD, Rahim; BISWAJEET, Ganguli Patent: WO2013/110643 A1, 2013 ; Location in patent: Paragraph 00351; 00352 ;

~17%

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure

Methyl 3-Hydrox...

CAS#:52867-42-2

Literature: F. HOFFMANN-LA ROCHE AG; JAKOB-ROETNE, Roland; LUCAS, Matthew, C.; THOMAS, Andrew Patent: WO2010/127975 A1, 2010 ; Location in patent: Page/Page column 84 ;

~23%

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure

Methyl 3-Hydrox...

CAS#:52867-42-2

Literature: Takeda Pharmaceutical Company Limited Patent: EP2530078 A1, 2012 ; Location in patent: Page/Page column 208-209 ;

~89%

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure

Methyl 3-Hydrox...

CAS#:52867-42-2

Literature: Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

~0%

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure

Methyl 3-Hydrox...

CAS#:52867-42-2

Literature: Sucrow, Wolfgang; Auffenberg-Weddige, Katharina; Grosz, Klaus-Peter; Bredthauer, Gerhard; Pickardt, Joachim Chemische Berichte, 1983 , vol. 116, # 4 p. 1525 - 1530

~35%

Methyl 3-Hydroxy-1-Methyl-1H-Pyrazole-5-Carboxylate Structure

Methyl 3-Hydrox...

CAS#:52867-42-2

Literature: Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

~65%

Detail
Literature: Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

~35%

Detail
Literature: Sucrow, Wolfgang; Bredthauer, Gerhard Chemische Berichte, 1983 , vol. 116, # 4 p. 1520 - 1524

 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

5-hydroxy-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester
Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate
3-Hydroxy-1-methyl-5-pyrazolcarbonsaeuremethylester
2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid methyl ester
Methyl 3-hydroxy-1-methylpyrazole-5-carboxylate
methyl 3-hydroxy-1-methyl-1H-pyrazole-5-carboxylate
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