5-(2-Methylphenyl)-5-oxovaleric acid

Also known as: 5-(2-Methylphenyl)-5-oxovaleric acid, 5-(2-methylphenyl)-5-oxopentanoic acid, 5-Oxo-5-o-tolyl-pentanoic acid, 5-Oxo-5-o-tolyl-valeric acid, 5-oxo-5-(2-methylphenyl)pentanoic acid, 5-Oxo-5-(o-tolyl)pentanoic acid, 5-Oxo-5-o-tolylpentanoic acid, 2-methyl-δ-oxobenzenepentanoic acid, Benzenepentanoic acid, 2-methyl-δ-oxo-

5-(2-Methylphenyl)-5-oxovaleric acid (CAS 36978-50-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O3 and a molecular weight of 206.23800 g/mol. Key properties include a boiling point of 392.8ºC at 760 mmHg, a density of 1.137g/cm3 and a flash point of 205.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 36978-50-4
Jingsj CID: J-1521841-4
Molecular Formula: C₁₂H₁₄O₃
Molecular Weight: 206.23800 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	392.8ºC at 760 mmHg
Density	1.137g/cm3
Flash Point	205.6ºC
Exact Mass	206.09400
PSA	54.37000
LogP	2.43260
Refractive Index	1.536

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 5-(2-Methylphenyl)-5-oxovaleric acid?

The CAS number of 5-(2-Methylphenyl)-5-oxovaleric acid is 36978-50-4.

What are the molecular formula and molecular weight of 5-(2-Methylphenyl)-5-oxovaleric acid?

5-(2-Methylphenyl)-5-oxovaleric acid has molecular formula C12H14O3 and molecular weight 206.23800 g/mol.

What are the upstream and downstream products of 5-(2-Methylphenyl)-5-oxovaleric acid?

For 5-(2-Methylphenyl)-5-oxovaleric acid, Upstream Products: o-Tolylmagnesium chloride, 5,5'-oxybis(5-oxopentanoic acid), Glutaric anhydride.

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. "5-(2-Methylphenyl)-5-oxovaleric acid (CAS 36978-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521841-4 (accessed 2026-11-09).

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