Methyl 6-chloropyridazine-3-carboxylate

Modify Date: 2025-08-25 14:29:20

Methyl 6-chloropyridazine-3-carboxylate Structure
Methyl 6-chloropyridazine-3-carboxylate structure
Common Name Methyl 6-chloropyridazine-3-carboxylate
CAS Number 65202-50-8 Molecular Weight 172.569
Density 1.4±0.1 g/cm3 Boiling Point 310.9±22.0 °C at 760 mmHg
Molecular Formula C6H5ClN2O2 Melting Point N/A
MSDS N/A Flash Point 141.9±22.3 °C

 Names

Name Methyl 6-chloropyridazine-3-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 310.9±22.0 °C at 760 mmHg
Molecular Formula C6H5ClN2O2
Molecular Weight 172.569
Flash Point 141.9±22.3 °C
Exact Mass 172.003952
PSA 52.08000
LogP 0.41
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.534

 Safety Information

Hazard Codes Xi: Irritant;
HS Code 2933990090

 Synthetic Route

~64%

Methyl 6-chloropyridazine-3-carboxylate Structure

Methyl 6-chloro...

CAS#:65202-50-8

Literature: PFIZER LIMITED; PFIZER INC. Patent: WO2005/28452 A1, 2005 ; Location in patent: Page/Page column 84 ; WO 2005/028452 A1

~79%

Methyl 6-chloropyridazine-3-carboxylate Structure

Methyl 6-chloro...

CAS#:65202-50-8

Literature: XENON PHARMACEUTICALS INC. Patent: WO2006/34440 A2, 2006 ; Location in patent: Page/Page column 43 ; WO 2006/034440 A2

~71%

Methyl 6-chloropyridazine-3-carboxylate Structure

Methyl 6-chloro...

CAS#:65202-50-8

Literature: ASTRA ZENECA AB; NPS PHARMACEUTICALS, INC. Patent: WO2004/14881 A2, 2004 ; Location in patent: Page 149 ; WO 2004/014881 A2

~%

Methyl 6-chloropyridazine-3-carboxylate Structure

Methyl 6-chloro...

CAS#:65202-50-8

Literature: WO2007/71023 A1, ; Page/Page column 36 ; WO 2007/071023 A1

~%

Methyl 6-chloropyridazine-3-carboxylate Structure

Methyl 6-chloro...

CAS#:65202-50-8

Literature: WO2014/28669 A1, ; Paragraph 00320 ;

~%

Methyl 6-chloropyridazine-3-carboxylate Structure

Methyl 6-chloro...

CAS#:65202-50-8

Literature: WO2007/9236 A1, ; Page/Page column 43 ;

 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

Methyl 6-chloro-3-pyridazinecarboxylate
Methyl 6-chloropyridazine-3-carboxylate
3-Pyridazinecarboxylic acid, 6-chloro-, methyl ester
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