4,5-Diphenyl-2-oxazolethiol
4,5-Diphenyl-2-oxazolethiol (CAS: 6670-13-9) is a heterocyclic organic compound with the molecular formula C15H11NOS and a molecular weight of 253.32 g/mol. This versatile building block is primarily utilised in chemical synthesis for the development of novel molecules. Its specific structural features make it a valuable intermediate in organic chemistry research and development.
- Synonyms
- C15H11NOS

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive thiol and oxazole functionalities allow for diverse chemical transformations.
Heterocyclic Chemistry Research
Serves as a valuable building block in the exploration of novel heterocyclic compounds. Researchers can leverage its structure for creating new chemical entities with potential applications.
Pharmaceutical Intermediate Development
Can be employed in the multi-step synthesis pathways for potential pharmaceutical candidates. Its structure offers a scaffold for medicinal chemistry programmes.
| Molecular weight | 253.32 |
|---|---|
| Empirical formula | C15H11NOS |
| Assay | 98% |
| Melting point | 254-257 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 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 4,5-Diphenyl-2-oxazolethiol used for?
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4,5-Diphenyl-2-oxazolethiol is primarily used as a building block in organic synthesis and heterocyclic chemistry research.
What is the CAS number and formula for 4,5-Diphenyl-2-oxazolethiol?
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The CAS number is 6670-13-9, and the empirical formula is C15H11NOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,5-Diphenyl-2-oxazolethiol with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 4,5-Diphenyl-2-oxazolethiol be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332).
Is 4,5-Diphenyl-2-oxazolethiol a controlled substance?
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Based on the provided data, 4,5-Diphenyl-2-oxazolethiol is not indicated as a controlled substance.
How is 4,5-Diphenyl-2-oxazolethiol packed and exported?
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Products are carefully packed to ensure integrity during transit and are available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample, please use the contact form on our website or call our sales team, referencing the product CAS number 6670-13-9.
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