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

Modify Date: 2026-07-08 13:29:55

(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
InChIKey ILGMGHZPXRDCCS-UHFFFAOYSA-N
SMILES O=C(O)CC1C(=O)Nc2ccccc21

 Safety Information

Hazard Codes Xi
HS Code 2933790090

 Synthetic Route

~62%

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

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

CAS#:2971-31-5

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Literature: Kato, Tadahiro; Tomita, Norihiro; Hoshikawa, Masahiro; Ehara, Kazuhiro; Shima, Jyunko; Takahashi, Norindo; Sugiyama, Hiroshi Heterocycles, 1998 , vol. 47, # 1 p. 497 - 500

~90%

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

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

CAS#:2971-31-5

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

~91%

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

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

CAS#:2971-31-5

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

~%

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

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

CAS#:2971-31-5

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

~%

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

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

CAS#:2971-31-5

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Literature: Journal of the American Chemical Society, , vol. 75, p. 5301,5303

~%

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

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

CAS#:2971-31-5

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

~%

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

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

CAS#:2971-31-5

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Literature: Journal of the American Chemical Society, , vol. 108, # 8 p. 2023 - 2030

~%

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

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

CAS#:2971-31-5

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Literature: Journal of the American Chemical Society, , vol. 108, # 8 p. 2023 - 2030

~%

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

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

CAS#:2971-31-5

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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%

 Bioassay

View more

Name: In vivo antitumor activity against mouse S180 cells implanted in mouse assessed as ce...
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997342
Name: In vivo antitumor activity against mouse S180 cells implanted in mouse assessed as ce...
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997343
Name: In vivo antitumor activity against mouse S180 cells implanted in mouse assessed as ce...
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997340
Name: In vivo antitumor activity against mouse S180 cells implanted in mouse assessed as ce...
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997341
Name: In vivo antitumor activity against mouse S180 cells implanted in mouse assessed as ce...
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997338
Name: In vivo antitumor activity against mouse S180 cells implanted in mouse assessed as ce...
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997339
Name: In vivo antitumor activity against mouse S180 cells implanted in mouse after 10 days
Source: ChEMBL
Target: CCRF S-180
External Id: CHEMBL997344
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 Synonyms

2-oxindole-3acetic acid
1H-Indole-3-acetic acid,2,3-dihydro-2-oxo
2-oxindole-3-acetic acid
oxindole-3-acetic acid
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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