dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate

Modify Date: 2025-08-26 22:05:47

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure
dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate structure
 Common Name dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate
CAS Number 13566-26-2 Molecular Weight 212.20300
Density 1.26g/cm3 Boiling Point 270.7ºC at 760 mmHg
Molecular Formula C9H12N2O4 Melting Point N/A
MSDS N/A Flash Point 112.7ºC

 Names

Name dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.26g/cm3
Boiling Point 270.7ºC at 760 mmHg
Molecular Formula C9H12N2O4
Molecular Weight 212.20300
Flash Point 112.7ºC
Exact Mass 212.08000
PSA 77.32000
Vapour Pressure 0.00675mmHg at 25°C
Index of Refraction 1.53

 Safety Information

HS Code 2933199090

 Synthetic Route

trans-3,4-bis(methoxycarbonyl)-3-chloro-5,5-dimethyl-1-pyrazoline structure

trans-3,4-bis(m...

CAS#:118657-81-1

~85%

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Nakano, Yoshihiko; Hamaguchi, Masashi; Nagai, Toshikazu Journal of Organic Chemistry, 1989 , vol. 54, # 25 p. 5912 - 5919
2-Methoxy-2,5,5-trimethyl-Δ3-1,3,4-oxadiazoline structure

2-Methoxy-2,5,5...

CAS#:77879-49-3

Dimethyl but-2-ynedioate structure

Dimethyl but-2-...

CAS#:762-42-5

~65%

Methyl acetate structure

Methyl acetate

CAS#:79-20-9

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Majchrzak, Michael W.; Bekhazi, Michel; Tse-Sheepy, Irene; Warkentin, John Journal of Organic Chemistry, 1989 , vol. 54, # 8 p. 1842 - 1845
dimethyl maleate structure

dimethyl maleate

CAS#:624-48-6

~%

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Franck-Neumann, M.; Miesch, M. Tetrahedron, 1983 , vol. 39, # 8 p. 1247 - 1254
Dimethyl but-2-ynedioate structure

Dimethyl but-2-...

CAS#:762-42-5

2,2,9-trimethyl-1,6-dioxa-3,4,9-triazaspiro[4.4]non-3-ene structure

2,2,9-trimethyl...

CAS#:176964-68-4

~%

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Couture, Philippe; Warkentin, John Canadian Journal of Chemistry, 1997 , vol. 75, # 9 p. 1264 - 1280
N/A structure

N/A

CAS#:119393-21-4

Dimethyl but-2-ynedioate structure

Dimethyl but-2-...

CAS#:762-42-5

~%

Methyl cyclopropane carboxylate structure

Methyl cyclopro...

CAS#:2868-37-3

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Majchrzak, Michael W.; Bekhazi, Michel; Tse-Sheepy, Irene; Warkentin, John Journal of Organic Chemistry, 1989 , vol. 54, # 8 p. 1842 - 1845
2,2-dimethyl-5-methoxy-5-phenyl-Δ3-1,3,4-oxadiazoline structure

2,2-dimethyl-5-...

CAS#:92573-96-1

Dimethyl but-2-ynedioate structure

Dimethyl but-2-...

CAS#:762-42-5

~%

Methyl benzoate structure

Methyl benzoate

CAS#:93-58-3

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Majchrzak, Michael W.; Bekhazi, Michel; Tse-Sheepy, Irene; Warkentin, John Journal of Organic Chemistry, 1989 , vol. 54, # 8 p. 1842 - 1845
dimethyl bicyclo[2.2.1]hepta-2,5-diene-5,6-dicarboxylate structure

dimethyl bicycl...

CAS#:947-57-9

2-Diazopropane structure

2-Diazopropane

CAS#:2684-60-8

~%

Cyclopentadiene structure

Cyclopentadiene

CAS#:542-92-7

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Cristina, D.; Amici, M. De; Micheli, C. De; Gandolfi, R. Tetrahedron, 1981 , vol. 37, p. 1349 - 1357
7-isopropylidene-2,3-dicarbomethoxynorbornadiene structure

7-isopropyliden...

CAS#:19019-88-6

2-Diazopropane structure

2-Diazopropane

CAS#:2684-60-8

~%

6,6-Dimethylfulvene structure

6,6-Dimethylfulvene

CAS#:2175-91-9

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Cristina, D.; Amici, M. De; Micheli, C. De; Gandolfi, R. Tetrahedron, 1981 , vol. 37, p. 1349 - 1357
Dimethyl 7-Oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate structure

Dimethyl 7-Oxab...

CAS#:1829-60-3

2-Diazopropane structure

2-Diazopropane

CAS#:2684-60-8

~%

Furan structure

Furan

CAS#:110-00-9

dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate Structure

dimethyl 5,5-di...

CAS#:13566-26-2

Literature: Cristina, D.; Amici, M. De; Micheli, C. De; Gandolfi, R. Tetrahedron, 1981 , vol. 37, p. 1349 - 1357

 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

5,5-dimethyl-5H-pyrazole-3,4-dicarboxylic acid dimethyl ester
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Chemsrc provides CAS#:13566-26-2 MSDS, density, melting point, boiling point, structure, etc. Its name is dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate>> amp version: dimethyl 5,5-dimethylpyrazole-3,4-dicarboxylate

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