5-Phenyloxazole-2-propionic acid
5-Phenyloxazole-2-propionic acid (CAS: 23485-68-9, C12H11NO3) is a heterocyclic organic compound with a molecular weight of 217.22 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of oxazole chemistry. Its established structure and reactivity make it a useful intermediate for the development of novel compounds in research and development settings.

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. Its oxazole core and propionic acid side chain offer versatile reaction sites for chemical transformations.
Heterocyclic Chemistry Research
A reagent for researchers exploring novel heterocyclic compounds. Its structure is amenable to various functionalisation strategies, supporting the discovery of new chemical entities.
Pharmaceutical Research and Development
May be employed in the early stages of drug discovery as a scaffold or intermediate for potential therapeutic agents. Its oxazole motif is present in various biologically active compounds.
| Molecular weight | 217.22 |
|---|---|
| Empirical formula | C12H11NO3 |
| Assay | 97% |
| Melting point | 149-153 °C |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-36/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-Phenyloxazole-2-propionic acid used for?
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5-Phenyloxazole-2-propionic acid is primarily used as a building block in organic synthesis and research, particularly within heterocyclic and pharmaceutical R&D.
What are the CAS number and formula for 5-Phenyloxazole-2-propionic acid?
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The CAS number is 23485-68-9 and the empirical formula is C12H11NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Phenyloxazole-2-propionic acid with an assay of 97%. This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
What are the primary safety concerns when handling 5-Phenyloxazole-2-propionic acid?
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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed) and H318 (Causes serious eye damage). Appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent), must be used.
How is 5-Phenyloxazole-2-propionic acid packed and shipped?
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Tech Serve Solutions exports and ships fine chemicals globally, ensuring appropriate packaging according to international regulations for chemical transport.
How can I request a sample or quote for 5-Phenyloxazole-2-propionic acid?
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To request a sample or quote, please contact our sales team through the website or by phone, providing your specific requirements.
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