2-Methyl-5-phenylbenzoxazole
2-Methyl-5-phenylbenzoxazole (CAS: 61931-68-8), a heterocyclic organic compound with the molecular formula C14H11NO and a molecular weight of 209.24 g/mol, serves as a valuable building block in chemical synthesis. It is primarily utilised in the preparation of more complex chemical entities, notably benzoxazolium salts. This compound is supplied by Tech Serve Solutions with an assay of 97%, suitable for research and development applications.

Precursor for Benzoxazolium Salts
2-Methyl-5-phenylbenzoxazole is a key intermediate in the synthesis of 2-methyl-3-ethyl-5-phenyl-1H-benzoxazolium iodide (QM1). This specific application highlights its utility in creating specialised heterocyclic compounds with potential downstream applications.
Heterocyclic Building Block
As a member of the oxazole family, this compound functions as a versatile building block for constructing diverse heterocyclic structures. Its defined chemical structure allows for targeted modifications in organic synthesis.
Chemical Synthesis Intermediate
This benzoxazole derivative is employed in general chemical synthesis, offering a reactive scaffold for developing new molecules. Its phenyl and methyl substitutions provide specific steric and electronic properties for synthetic planning.
| Molecular weight | 209.24 |
|---|---|
| Empirical formula | C14H11NO |
| Assay | 97% |
| Application | 2-Methyl-5-phenylbenzoxazole was used in the preparation of 2-methyl-3-ethyl-5-phenyl-1H-benzoxazolium iodide (QM1)1. |
| Melting point | 60-64 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 2-Methyl-5-phenylbenzoxazole used for?
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2-Methyl-5-phenylbenzoxazole is primarily used as a building block in chemical synthesis, notably for the preparation of 2-methyl-3-ethyl-5-phenyl-1H-benzoxazolium iodide (QM1).
What are the CAS number and molecular formula for 2-Methyl-5-phenylbenzoxazole?
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The CAS number for 2-Methyl-5-phenylbenzoxazole is 61931-68-8, and its molecular formula is C14H11NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-5-phenylbenzoxazole with an assay of 97%. This product is intended for research and technical applications and is not represented as USP, BP, EP, or any pharmacopoeia grade.
How should 2-Methyl-5-phenylbenzoxazole be handled safely?
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Handling requires caution due to its hazardous properties. It is harmful if swallowed and causes skin and eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves, should be used. Ensure adequate ventilation and avoid dust formation.
Is 2-Methyl-5-phenylbenzoxazole available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Methyl-5-phenylbenzoxazole, adhering to all relevant export regulations.
How can I request a quote or sample?
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To request a quote or sample of 2-Methyl-5-phenylbenzoxazole, please use the contact form on our website or email our sales department, providing your details and required quantity.
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