1H-Indole-2,3-dione,1-ethyl

Modify Date: 2026-07-13 15:49:38

1H-Indole-2,3-dione,1-ethyl Structure
1H-Indole-2,3-dione,1-ethyl structure
Common Name 1H-Indole-2,3-dione,1-ethyl
CAS Number 4290-94-2 Molecular Weight 175.18400
Density 1.249g/cm3 Boiling Point 306.5ºC at 760mmHg
Molecular Formula C10H9NO2 Melting Point N/A
MSDS N/A Flash Point 140ºC

Summary: 1-ethylindole-2,3-dione, also known as 1-ethylindigoid, has a molecular formula of C10H9NO2 and a molecular weight of 175.18400, with a CAS number of 4290-94-2. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1-ethylindole-2,3-dione
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.249g/cm3
Boiling Point 306.5ºC at 760mmHg
Molecular Formula C10H9NO2
Molecular Weight 175.18400
Flash Point 140ºC
Exact Mass 175.06300
PSA 37.38000
LogP 1.30080
Index of Refraction 1.584
InChIKey ORYSFKVWQQMDAX-UHFFFAOYSA-N
SMILES CCN1C(=O)C(=O)c2ccccc21

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 1H-Indole-2,3-dione,1-ethylBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: CM Assay from Article 10.1111/cbdd.12265: "Discovery and Structure Optimization of a ...
Source: BindingDB
Target: N/A
External Id: BindingDB_6090_1
Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT
Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN
Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1-ethyl-1,3-dihydro-2,3-dioxo-2H-indole
F0347-1871
1-ethyl-1H-indole-2,3-dione
1-ethylindoline-2,3-dione
N-Ethylisatin
1-Ethylisatin
1-ethyl-2,3-dihydro-1H-indole-2,3-dione

 1H-Indole-2,3-dione,1-ethyl | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 1-ethylindole-2,3-dione?
A: Related downstream products(CAS) of 1-ethylindole-2,3-dione: 36047-55-9;82355-81-5;89-50-9;61-28-9.
Q: What English synonyms does 1-ethylindole-2,3-dione have?
A: English synonyms of 1-ethylindole-2,3-dione: 1-ethyl-1,3-dihydro-2,3-dioxo-2H-indole, F0347-1871, 1-ethyl-1H-indole-2,3-dione, 1-ethylindoline-2,3-dione, N-Ethylisatin, 1-Ethylisatin, 1-ethyl-2,3-dihydro-1H-indole-2,3-dione.
Q: What is the CAS number of 1-ethylindole-2,3-dione?
A: CAS number of 1-ethylindole-2,3-dione is 4290-94-2.
Q: What is the molecular weight of 1-ethylindole-2,3-dione?
A: Molecular weight of 1-ethylindole-2,3-dione is 175.18400.
Q: What is the English name of 1-ethylindole-2,3-dione?
A: The English name of 1-ethylindole-2,3-dione is 1-ethylindole-2,3-dione.
Q: What is the InChIKey of 1-ethylindole-2,3-dione?
A: InChIKey of 1-ethylindole-2,3-dione is ORYSFKVWQQMDAX-UHFFFAOYSA-N.
Q: What is the LogP of 1-ethylindole-2,3-dione?
A: LogP of 1-ethylindole-2,3-dione is 1.30080.
Q: What is the polar surface area (PSA) of 1-ethylindole-2,3-dione?
A: Polar surface area (PSA) of 1-ethylindole-2,3-dione is 37.38000.
Q: What are the upstream materials of 1-ethylindole-2,3-dione?
A: Related upstream materials(CAS) of 1-ethylindole-2,3-dione: 91-56-5;75-03-6;74-96-4;1859-97-8;69564-74-5;87-48-9;144603-05-4;551-93-9;103-69-5.
Q: What is the SMILES notation of 1-ethylindole-2,3-dione?
A: SMILES notation of 1-ethylindole-2,3-dione is CCN1C(=O)C(=O)c2ccccc21.

 1H-Indole-2,3-dione,1-ethylfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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