(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid

Modify Date: 2025-08-22 20:30:54

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure
(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid structure
 Common Name (2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid
CAS Number 2971-31-5 Molecular Weight 191.183
Density 1.3±0.1 g/cm3 Boiling Point 445.2±38.0 °C at 760 mmHg
Molecular Formula C10H9NO3 Melting Point N/A
MSDS N/A Flash Point 223.0±26.8 °C

 Names

Name 2-(2-oxo-1,3-dihydroindol-3-yl)acetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 445.2±38.0 °C at 760 mmHg
Molecular Formula C10H9NO3
Molecular Weight 191.183
Flash Point 223.0±26.8 °C
Exact Mass 191.058243
PSA 66.40000
LogP 0.69
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.588

 Safety Information

Hazard Codes Xi
HS Code 2933790090

 Synthetic Route

3-Indoleacetic acid structure

3-Indoleacetic acid

CAS#:87-51-4

~62%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Kato, Tadahiro; Tomita, Norihiro; Hoshikawa, Masahiro; Ehara, Kazuhiro; Shima, Jyunko; Takahashi, Norindo; Sugiyama, Hiroshi Heterocycles, 1998 , vol. 47, # 1 p. 497 - 500
(E)-benzyl 2-hydroxy-2-(2-oxoindolin-3-ylidene)acetate structure

(E)-benzyl 2-hy...

CAS#:110655-07-7

~90%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Lewer, Paul Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 753 - 758
Acetic acid,2-(1,2-dihydro-2-oxo-3H-indol-3-ylidene)-2-hydroxy- structure

Acetic acid,2-(...

CAS#:14370-71-9

~91%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Lewer, Paul Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 753 - 758
Oxindole structure

Oxindole

CAS#:59-48-3

~%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 753 - 758
(2-oxo-indolin-3-yl)-glyoxylic acid benzyl ester structure

(2-oxo-indolin-...

CAS#:65112-89-2

~%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Journal of the American Chemical Society, , vol. 75, p. 5301,5303
ethyl (2-oxoindolin-3-yl)glyoxylate structure

ethyl (2-oxoind...

CAS#:14370-70-8

~%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 753 - 758
2-chloro-3-methyl-1H-indole structure

2-chloro-3-meth...

CAS#:51206-73-6

~%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Journal of the American Chemical Society, , vol. 108, # 8 p. 2023 - 2030
2-BROMOINDOLE-3-ACETIC ACID structure

2-BROMOINDOLE-3...

CAS#:1912-39-6

~%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Journal of the American Chemical Society, , vol. 108, # 8 p. 2023 - 2030
methyl N-[2-(1H-indol-3-yl)ethyl]carbamodithioate structure

methyl N-[2-(1H...

CAS#:202121-24-2

~%

(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid Structure

(2-Oxo-2,3-dihy...

CAS#:2971-31-5

Literature: Journal of Organic Chemistry, , vol. 63, # 3 p. 416 - 417

 Customs

HS Code 2933790090
Summary 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

 Synonyms

2-oxindole-3acetic acid
1H-Indole-3-acetic acid,2,3-dihydro-2-oxo
2-oxindole-3-acetic acid
oxindole-3-acetic acid
1H-Indole-3-acetic acid, 2,3-dihydro-2-oxo-
2-oxoindole-3-acetic acid
2-oxindol-3-yl-acetic acid
(2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid
2,3-Dihydro-2-Oxo-1H-Indole-3-Acetic acid
(2-Oxo-2,3-dihydro-1H-indol-3-yl)-acetic acid
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Chemsrc provides CAS#:2971-31-5 MSDS, density, melting point, boiling point, structure, etc. Its name is (2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid>> amp version: (2-Oxo-2,3-dihydro-1H-indol-3-yl)acetic acid

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