2-Hydroxy-4-phenylthiazole
2-Hydroxy-4-phenylthiazole (CAS: 3884-31-9; Formula: C9H7NOS; MW: 177.22) is a heterocyclic organic compound. This white to off-white solid serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structural features make it a useful intermediate for developing more complex molecules with potential applications in various research and development sectors.
- IUPAC
- 4-Phenyl-2-thiazolol
- Synonyms
- 4-Phenyl-2-thiazolol

Chemical Synthesis Intermediate
Utilised as a foundational molecule in organic synthesis, 2-Hydroxy-4-phenylthiazole is employed to construct more intricate molecular architectures. Its reactive sites allow for diverse chemical transformations.
Heterocyclic Chemistry Research
This thiazole derivative is a key component in studies focused on heterocyclic compounds. Researchers leverage its structure to explore novel chemical entities and reaction pathways.
Pharmaceutical Intermediate Development
The compound can serve as a precursor in the multi-step synthesis of potential pharmaceutical agents. Its phenyl and thiazole moieties offer a scaffold for medicinal chemistry exploration.
| Molecular weight | 177.22 |
|---|---|
| Empirical formula | C9H7NOS |
| Assay | 97% |
| Melting point | 207-211 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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-Hydroxy-4-phenylthiazole used for?
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2-Hydroxy-4-phenylthiazole is primarily used as a building block in chemical synthesis and research, particularly in the field of heterocyclic chemistry and for developing potential pharmaceutical intermediates.
What are the CAS number and formula for 2-Hydroxy-4-phenylthiazole?
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The CAS number for 2-Hydroxy-4-phenylthiazole is 3884-31-9, and its empirical formula is C9H7NOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Hydroxy-4-phenylthiazole with a minimum assay of 97%. This product is supplied for laboratory and industrial research purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 2-Hydroxy-4-phenylthiazole be handled safely?
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Handle 2-Hydroxy-4-phenylthiazole with appropriate personal protective equipment, including a dust mask (N95 type recommended), eyeshields, faceshields, and gloves. Avoid ingestion and eye contact, as it is classified as harmful if swallowed and causes serious eye irritation (H302-H319).
Is 2-Hydroxy-4-phenylthiazole a controlled substance?
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The provided safety data does not indicate that 2-Hydroxy-4-phenylthiazole is a controlled substance.
How is 2-Hydroxy-4-phenylthiazole packed and shipped?
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2-Hydroxy-4-phenylthiazole is carefully packed for shipping according to international regulations for chemical transport. Tech Serve Solutions is a global supplier and exporter.
How can I request a quote or sample for 2-Hydroxy-4-phenylthiazole?
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To request a quote or sample of 2-Hydroxy-4-phenylthiazole, please contact the Tech Serve Solutions sales team via our website or direct contact details.
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