7-Chloro-5-methoxythieno[3,2-b]pyridine

Modify Date: 2025-08-27 18:17:16

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure
7-Chloro-5-methoxythieno[3,2-b]pyridine structure
 Common Name 7-Chloro-5-methoxythieno[3,2-b]pyridine
CAS Number 74695-46-8 Molecular Weight 199.657
Density 1.4±0.1 g/cm3 Boiling Point 276.7±35.0 °C at 760 mmHg
Molecular Formula C8H6ClNOS Melting Point 97-98ºC
MSDS N/A Flash Point 121.1±25.9 °C

 Names

Name 7-Chloro-5-methoxythieno[3,2-b]pyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 276.7±35.0 °C at 760 mmHg
Melting Point 97-98ºC
Molecular Formula C8H6ClNOS
Molecular Weight 199.657
Flash Point 121.1±25.9 °C
Exact Mass 198.985855
PSA 50.36000
LogP 4.41
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.654
InChIKey DYIGNOAYBDOTRR-UHFFFAOYSA-N
SMILES COc1cc(Cl)c2sccc2n1

 Safety Information

HS Code 2934999090

 Synthetic Route

Sodium Methylate structure

Sodium Methylate

CAS#:124-41-4

5,7-Dichlorothieno[3,2-b]pyridine structure

5,7-Dichlorothi...

CAS#:74695-44-6

~90%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

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Literature: Barker, John M.; Huddleston, Patrick R.; Chadwick, Nigel; Keenan, Guy J. Journal of Chemical Research, Miniprint, 1980 , # 1 p. 113 - 126
Sodium Methylate structure

Sodium Methylate

CAS#:124-41-4

5,7-Dichlorothieno[3,2-b]pyridine structure

5,7-Dichlorothi...

CAS#:74695-44-6

~2%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

5-chloro-7-methoxythieno[3,2-b]pyridine structure

5-chloro-7-meth...

CAS#:90690-91-8

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Literature: Jarvest, Richard L.; Armstrong, Sula A.; Berge, John M.; Brown, Pamela; Elder, John S.; Brown, Murray J.; Copley, Royston C.B.; Forrest, Andrew K.; Hamprecht, Dieter W.; O'Hanlon, Peter J.; Mitchell, Darren J.; Rittenhouse, Stephen; Witty, David R. Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 14, # 15 p. 3937 - 3941
ethyl 3-aminothiophene-2-carboxylate structure

ethyl 3-aminoth...

CAS#:31823-64-0

~%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

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Literature: Barker, John M.; Huddleston, Patrick R.; Chadwick, Nigel; Keenan, Guy J. Journal of Chemical Research, Miniprint, 1980 , # 1 p. 113 - 126
Thieno[3,2-b]pyridine-5,7-diol structure

Thieno[3,2-b]py...

CAS#:74695-40-2

~%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

Learn More
Literature: Barker, John M.; Huddleston, Patrick R.; Chadwick, Nigel; Keenan, Guy J. Journal of Chemical Research, Miniprint, 1980 , # 1 p. 113 - 126
6-ethoxycarbonyl-7-hydroxythieno[3,2-b]pyridin-5(4H)-one structure

6-ethoxycarbony...

CAS#:74695-36-6

~%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

Learn More
Literature: Barker, John M.; Huddleston, Patrick R.; Chadwick, Nigel; Keenan, Guy J. Journal of Chemical Research, Miniprint, 1980 , # 1 p. 113 - 126
ethyl N-(2-ethoxycarbonyl-3-thienyl)malonamate structure

ethyl N-(2-etho...

CAS#:74695-28-6

~%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

Learn More
Literature: Barker, John M.; Huddleston, Patrick R.; Chadwick, Nigel; Keenan, Guy J. Journal of Chemical Research, Miniprint, 1980 , # 1 p. 113 - 126
diazomethane structure

diazomethane

CAS#:186581-53-3

7-chlorothieno[3,2-b]pyridin-5(4H)-one structure

7-chlorothieno[...

CAS#:74695-45-7

~%

7-Chloro-5-methoxythieno[3,2-b]pyridine Structure

7-Chloro-5-meth...

CAS#:74695-46-8

Learn More
Literature: Barker, John M.; Huddleston, Patrick R.; Chadwick, Nigel; Keenan, Guy J. Journal of Chemical Research, Miniprint, 1980 , # 1 p. 113 - 126

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

7-Chloro-5-methoxythieno[3,2-b]pyridine
5-methoxy-7-chlorothieno<3,2-b>pyridine
7-chloro-5-methoxythieno<3,2-b>pyridine
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