Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo-

Modify Date: 2025-09-18 08:52:43

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure
Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- structure
 Common Name Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo-
CAS Number 81258-05-1 Molecular Weight 261.23000
Density 1.511g/cm3 Boiling Point 596.1ºC at 760 mmHg
Molecular Formula C13H11NO5 Melting Point N/A
MSDS N/A Flash Point 314.3ºC

 Names

Name 5-methoxy-9-oxo-7,8-dihydro-1H-pyrano[2,3-g]indole-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.511g/cm3
Boiling Point 596.1ºC at 760 mmHg
Molecular Formula C13H11NO5
Molecular Weight 261.23000
Flash Point 314.3ºC
Exact Mass 261.06400
PSA 88.62000
LogP 1.83990
Index of Refraction 1.69

 Synthetic Route

1,7,8,9-tetrahydropyrano[2,3-g]indole-2-carboxylic acid structure

1,7,8,9-tetrahy...

CAS#:81257-90-1

~93%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Societe de Recherches Industrielles Patent: US4436915 A1, 1984 ;
methoxy-5 oxo-9 dihydro-7,8 pyranno[2,3-g]indolecarboxylate-2 de methyle structure

methoxy-5 oxo-9...

CAS#:81258-03-9

~90%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
4-Bromo-2-methoxyphenol structure

4-Bromo-2-metho...

CAS#:7368-78-7

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
Guaiacol structure

Guaiacol

CAS#:90-05-1

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
3-(4-bromo-2-methoxyphenoxy)propanoic acid structure

3-(4-bromo-2-me...

CAS#:81258-24-4

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
dioxolanne de la bromo-6 methoxy-8 dihydro-2,3 4H-benzopyranne-1 one-4 structure

dioxolanne de l...

CAS#:81258-26-6

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
dioxolanne-4 methoxy-8 dihydro-2,3 4H-benzopyranne-1 carbaldehyde-6 structure

dioxolanne-4 me...

CAS#:81258-28-8

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
methyl 5-methoxy-7,8-dihydro-1H-spiro[pyrano[2,3-g]indole-9,2'-[1,3]dioxolane]-2-carboxylate structure

methyl 5-methox...

CAS#:81258-01-7

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103
bromo-6 methoxy-8 dihydro-2,3 4H-benzopyranne-1 one-4 structure

bromo-6 methoxy...

CAS#:81258-20-0

~%

Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo- Structure

Pyrano(2,3-g)in...

CAS#:81258-05-1

Literature: Kim, Phieo Ta; Cocolios, Panayotis; Guilard, Roger Canadian Journal of Chemistry, 1982 , vol. 60, p. 2099 - 2103

 Synonyms

5-methoxy-9-oxo-7,8-dihydro-pyrano[2,3-g]indole-2-carboxylic acid
acide methoxy-5 oxo-9 dihydro-7,8 pyranno<2,3-g>indolecarboxylique-2
Acide,5-methoxy-9-oxo-7,8-dihydro-pyranno(2,3-g)indole-2-carboxylique [French]
Pyrano(2,3-g)indole-2-carboxylic acid,1,7,8,9-tetrahydro-5-methoxy-9-oxo
1,7,8,9-Tetrahydro-5-methoxy-9-oxopyrano(2,3-g)indole-2-carboxylic acid
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Chemsrc provides CAS#:81258-05-1 MSDS, density, melting point, boiling point, structure, etc. Its name is Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo->> amp version: Pyrano(2,3-g)indole-2-carboxylic acid, 1,7,8,9-tetrahydro-5-methoxy-9- oxo-

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