7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one

Also known as: 2,3-Dihydro-7-hydroxycyclopenta[c][1]benzopyran-4(1H)-one, 7-Hydroxy-1H,2H,3H,4H-cyclopenta[c]chromen-4-one, 7-Hydroxy-2,3-dihydrocyclopenta[c]chromen-4(1H)-one, Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-

7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one (CAS 21260-41-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H10O3 and a molecular weight of 202.20600 g/mol. Key properties include a boiling point of 440.1ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 201.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21260-41-3
Jingsj CID: J-1041618-9
Molecular Formula: C₁₂H₁₀O₃
Molecular Weight: 202.20600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	440.1ºC at 760 mmHg
Density	1.4g/cm3
Flash Point	201.9ºC
Exact Mass	202.06300
PSA	50.44000
LogP	1.98730
Vapor Pressure	2.35E-08mmHg at 25°C
Refractive Index	1.66

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one?

The CAS number of 7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one is 21260-41-3.

What are the molecular formula and molecular weight of 7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one?

7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one has molecular formula C12H10O3 and molecular weight 202.20600 g/mol.

What are the upstream and downstream products of 7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one?

For 7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one, Upstream Products: Ethyl 2-oxocyclopentanecarboxylate, Resorcinol, Methyl 2-oxocyclopentanecarboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one (CAS 21260-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1041618-9 (accessed 2026-11-09).

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