Methyl 9-oxo-9H-fluorene-4-carboxylate

Also known as: 9H-Fluorene-4-carboxylic acid, 9-oxo-, methyl ester, Methyl 9-oxo-9H-fluorene-4-carboxylate, 4-(Methoxycarbonyl)-9-oxo-9H-fluorene, 9-oxo-9H-fluorene-4-carboxylic acid methyl ester, Methyl 9-oxofluorene-4-carboxylate, fluoren-9-one-4-carboxylic acid methyl ester, NSC 116201

Methyl 9-oxo-9H-fluorene-4-carboxylate (CAS 4269-19-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H10O3 and a molecular weight of 238.23800 g/mol. Key properties include a melting point of 135-136ºC, a boiling point of 420.3ºC at 760mmHg, a density of 1.303g/cm3 and a flash point of 189.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4269-19-6
Jingsj CID: J-1455350-5
Molecular Formula: C₁₅H₁₀O₃
Molecular Weight: 238.23800 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	135-136ºC
Boiling Point	420.3ºC at 760mmHg
Density	1.303g/cm3
Flash Point	189.7ºC
Exact Mass	238.06300
PSA	43.37000
LogP	2.68460
Refractive Index	1.638

Customs & Trade Information

HS Code	2918300090
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 9-oxo-9H-fluorene-4-carboxylate?

The CAS number of Methyl 9-oxo-9H-fluorene-4-carboxylate is 4269-19-6.

What are the molecular formula and molecular weight of Methyl 9-oxo-9H-fluorene-4-carboxylate?

Methyl 9-oxo-9H-fluorene-4-carboxylate has molecular formula C15H10O3 and molecular weight 238.23800 g/mol.

What are the upstream and downstream products of Methyl 9-oxo-9H-fluorene-4-carboxylate?

For Methyl 9-oxo-9H-fluorene-4-carboxylate, Upstream Products: Dimethyl diphenate, 9-Oxo-9H-fluorene-4-carboxylic acid, Methanol.

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. "Methyl 9-oxo-9H-fluorene-4-carboxylate (CAS 4269-19-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1455350-5 (accessed 2026-11-09).

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