4,5-Dichloro-1H-pyrrole-2-carboxylic acid

Modify Date: 2025-09-10 18:09:50

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure
4,5-Dichloro-1H-pyrrole-2-carboxylic acid structure
 Common Name 4,5-Dichloro-1H-pyrrole-2-carboxylic acid
CAS Number 39209-94-4 Molecular Weight 179.98900
Density 1.728g/cm3 Boiling Point 386.143ºC at 760 mmHg
Molecular Formula C5H3Cl2NO2 Melting Point N/A
MSDS N/A Flash Point 187.333ºC

 Names

Name 4,5-Dichloro-1H-pyrrole-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.728g/cm3
Boiling Point 386.143ºC at 760 mmHg
Molecular Formula C5H3Cl2NO2
Molecular Weight 179.98900
Flash Point 187.333ºC
Exact Mass 178.95400
PSA 53.09000
LogP 2.01970
Index of Refraction 1.637
Storage condition 2-8°C

 Safety Information

HS Code 2933990090

 Synthetic Route

Pyrrole 2-carboxylate structure

Pyrrole 2-carbo...

CAS#:634-97-9

~68%

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure

4,5-Dichloro-1H...

CAS#:39209-94-4

Literature: Kikuchi, Haruhisa; Sekiya, Mizuki; Katou, Yasuhiro; Ueda, Kazunori; Kabeya, Takahiro; Kurata, Shoichiro; Oshima, Oshiteru Organic Letters, 2009 , vol. 11, # 8 p. 1693 - 1695
Methyl 4,5-dichloro-1H-pyrrole-2-carboxylate structure

Methyl 4,5-dich...

CAS#:1197-12-2

~%

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure

4,5-Dichloro-1H...

CAS#:39209-94-4

Literature: ISTITUTO DI RICERCHE DI BIOLOGIA MOLECOLARE P. ANGELETTI SPA Patent: WO2007/138355 A1, 2007 ; Location in patent: Page/Page column 90 ; WO 2007/138355 A1
ethyl 4,5-dichloro-1H-pyrrole-2-carboxylate structure

ethyl 4,5-dichl...

CAS#:848499-08-1

~%

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure

4,5-Dichloro-1H...

CAS#:39209-94-4

Literature: ASTRAZENECA AB; ASTRAZENECA UK LIMITED Patent: WO2005/26149 A1, 2005 ; Location in patent: Page/Page column 91 ; WO 2005/026149 A1
2,2,2-trichloro-1-(4,5-dichloro-1h-pyrrol-2-yl)ethanone structure

2,2,2-trichloro...

CAS#:50371-51-2

~%

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure

4,5-Dichloro-1H...

CAS#:39209-94-4

Literature: Sterling Drug Inc. Patent: US3963480 A1, 1976 ;
2-Trichloroacetylpyrrole structure

2-Trichloroacet...

CAS#:35302-72-8

~4%

4-chloro-1H-pyrrole-2-carboxylic acid structure

4-chloro-1H-pyr...

CAS#:27746-03-8

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure

4,5-Dichloro-1H...

CAS#:39209-94-4

Literature: Clark, Benjamin R.; O'Connor, Stephen; Fox, Deirdre; Leroy, Jacques; Murphy, Cormac D. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 18 p. 6306 - 6311
2-Formyl-1H-pyrrole structure

2-Formyl-1H-pyrrole

CAS#:1003-29-8

~%

4,5-Dichloro-1H-pyrrole-2-carboxylic acid Structure

4,5-Dichloro-1H...

CAS#:39209-94-4

Literature: Wang, Ming-Zhong; Xu, Han; Liu, Tuan-Wei; Feng, Qi; Yu, Shu-Jing; Wang, Su-Hua; Li, Zheng-Ming European Journal of Medicinal Chemistry, 2011 , vol. 46, # 5 p. 1463 - 1472

 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

4,5-dichloropyrrole-2-carboxylic acid
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Chemsrc provides CAS#:39209-94-4 MSDS, density, melting point, boiling point, structure, etc. Its name is 4,5-Dichloro-1H-pyrrole-2-carboxylic acid>> amp version: 4,5-Dichloro-1H-pyrrole-2-carboxylic acid

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