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1-(5-Hydroxyindolin-1-yl)ethanone

Also known as: 1-(5-hydroxy-2,3-dihydro-1H-indol-1-yl)ethan-1-one, 1-(5-hydroxy-2,3-dihydroindol-1-yl)ethanone, 1-(5-hydroxyindolin-1-yl)ethanone, 1-Acetyl-5-hydroxy-indolin, 1-Acetyl-5-indolinol, 1-acetyl-2,3-dihydro-indol-5-ol, 1H-Indol-5-ol,1-acetyl-2,3-dihydro, Ethanone, 1-(2,3-dihydro-5-hydroxy-1H-indol-1-yl)-, N-acetyl-5-hydroxyindoline

1-(5-Hydroxyindolin-1-yl)ethanone (CAS 4770-32-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11NO2 and a molecular weight of 177.20000 g/mol. Key properties include a boiling point of 471.4ºC at 760 mmHg, a density of 1.272 g/cm3 and a flash point of 238.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4770-32-5
Jingsj CID
J-1479945-2
Molecular Formula
C10H11NO2
Molecular Weight
177.20000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point471.4ºC at 760 mmHg
Density1.272 g/cm3
Flash Point238.9ºC
Exact Mass177.07900
PSA40.54000
LogP1.36620

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(5-Hydroxyindolin-1-yl)ethanone?

The CAS number of 1-(5-Hydroxyindolin-1-yl)ethanone is 4770-32-5.

What are the molecular formula and molecular weight of 1-(5-Hydroxyindolin-1-yl)ethanone?

1-(5-Hydroxyindolin-1-yl)ethanone has molecular formula C10H11NO2 and molecular weight 177.20000 g/mol.

What are the upstream and downstream products of 1-(5-Hydroxyindolin-1-yl)ethanone?

For 1-(5-Hydroxyindolin-1-yl)ethanone, Upstream Products: 1-Acetylindoline, 1,5-Diacetylindoline; Downstream Products: 1-(6-Bromo-5-hydroxyindolin-1-yl)ethanone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(5-Hydroxyindolin-1-yl)ethanone (CAS 4770-32-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1479945-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.