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Phenylpyruvic acid

Also known as: 3-Phenylpyruvic acid, 2-Oxo-3-phenylpropanoic acid, 2-Oxo-3-phenylpropionic acid, 3-Phenyl-2-oxopropanoic acid, 2-Ketohydrocinnamic acid, beta-Phenylpyruvic acid, alpha-Keto-DL-phenylalanine, Phenylpyroracemic acid, benzyl glyoxylic acid, phenylpyruvate

Phenylpyruvic acid (CAS 156-06-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H8O3 and a molecular weight of 164.158 g/mol. Key properties include a melting point of 150-154 °C(lit.), a boiling point of 299.1±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 148.9±18.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
156-06-9
Jingsj CID
J-8963-4
Molecular Formula
C9H8O3
Molecular Weight
164.158 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150-154 °C(lit.)
Boiling Point299.1±19.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point148.9±18.0 °C
Exact Mass164.047348
PSA54.37000
LogP0.54
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.557

Activity & Biological Data

TargetHuman Endogenous Metabolite

Customs & Trade Information

HS Code2918300090
Summary2918300090 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 Phenylpyruvic acid?

The CAS number of Phenylpyruvic acid is 156-06-9.

What are the molecular formula and molecular weight of Phenylpyruvic acid?

Phenylpyruvic acid has molecular formula C9H8O3 and molecular weight 164.158 g/mol.

What are the upstream and downstream products of Phenylpyruvic acid?

For Phenylpyruvic acid, Upstream Products: DL-3-phenyllactic acid, Phenylpropiolic acid, Benzaldehyde; Downstream Products: N-Formyl-DL-phenylalanine, Oxalic acid, Benzaldehyde.

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

Last updated:

How to cite: Jingsj. "Phenylpyruvic acid (CAS 156-06-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8963-4 (accessed 2026-11-09).

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