Phenylpyruvic acid

CAS Number
156-06-9
EC Number
205-842-0

What is Phenylpyruvic acid?

Phenylpyruvic acid (CAS 156-06-9), also known as phenylpyroracemic acid, is an aromatic keto acid used as a building block and intermediate in pharmaceutical and biotechnology synthesis.

Where is Phenylpyruvic acid used?

  • Pharmaceutical manufacturing: key intermediate
  • Production of amino acids, active pharmaceutical ingredients and specialty biochemicals: precursor
  • Synthesis of L-phenylalanine for drug formulations and nutritional products
  • Biotechnology: substrate in transamination studies and enzyme screening assays, where its reactivity with aminotransferases makes it relevant for bioprocess development
  • Synthesis of phenylpyruvate-derived compounds investigated as scaffolds for CNS-related drug candidates
  • It supports specialty polymer systems as a polymerization initiator.

Commercial specifications

  • Purity specifications typically at 98% or higher
  • Packaging from small laboratory quantities to bulk orders for process-scale procurement

Other Names (Synonyms)

Phenylpyroracemic acid|beta-phenylpyruvic acid|alpha-oxo-benzenepropanoic acid|3-phenyl-2-oxopropanoic acid|2-oxo-3-phenylpropanoic acid|3-phenylpyruvic acid|Benzenepropanoic acid, alpha-oxo-|2-OXO-3-PHENYLPROPIONIC ACID

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What are the physical properties of Phenylpyruvic acid?

Melting Point 153-155 °C (decomp)
Boiling Point 299.1±19.0 °C(Predicted)
Density 1.257±0.06 g/cm3(Predicted)
Color White to Light yellow
Odor at 100.00 %. sweet acidic honey almond weedy phenolic green
Form powder to crystal
Log P 0.54

How is Phenylpyruvic acid classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H315 H315
H319 H319
H335 H335

Precautionary Statements

P261 P261
P264 P264
P271 P271
P280 P280

Which trade and regulatory codes apply to Phenylpyruvic acid?

HS Code 29183000
WGK (Germany) 3
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