Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate

Modify Date: 2024-02-28 18:54:14

Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate Structure
Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate structure
Common Name Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate
CAS Number 86477-09-0 Molecular Weight 180.204
Density 1.3±0.1 g/cm3 Boiling Point 320.0±30.0 °C at 760 mmHg
Molecular Formula C9H12N2O2 Melting Point N/A
MSDS N/A Flash Point 147.3±24.6 °C

 Names

Name Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 320.0±30.0 °C at 760 mmHg
Molecular Formula C9H12N2O2
Molecular Weight 180.204
Flash Point 147.3±24.6 °C
Exact Mass 180.089874
PSA 44.12000
LogP 0.97
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.608

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

~57%

Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate Structure

Ethyl 5,6-dihyd...

CAS#:86477-09-0

Literature: US2004/242874 A1, ; Page 13-14 ;

~%

Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate Structure

Ethyl 5,6-dihyd...

CAS#:86477-09-0

Literature: EP1241170 A2, ; Page 47 ; EP 1241170 A2

~40%

Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate Structure

Ethyl 5,6-dihyd...

CAS#:86477-09-0

Literature: Tetrahedron Letters, , vol. 24, # 10 p. 1067 - 1070

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylic acid ethyl ester
4H-Pyrrolo[1,2-b]pyrazole-2-carboxylic acid, 5,6-dihydro-, ethyl ester
Ethyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylate
W8879
4,5,6,7-tetrahydro-pyrrolo[2,1-e]pyrazole-2-carboxylic acid ethyl ester
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