6-Propyl-2-thiouracil
6-Propyl-2-thiouracil (CAS: 51-52-5, Formula: C7H10N2OS, MW: 170.23) is a pyrimidine derivative used as a building block in chemical synthesis. With an assay of ≥98.0% (T), it serves as a valuable intermediate for creating more complex heterocyclic compounds. Its utility is primarily within research and development settings for the synthesis of novel chemical entities, particularly within pharmaceutical and materials science research.
- IUPAC
- 4-Hydroxy-2-mercapto-6-propylpyrimidine
- Synonyms
- 4-Hydroxy-2-mercapto-6-propylpyrimidine

Chemical Synthesis Intermediate
Utilised as a key building block in organic synthesis for the construction of diverse heterocyclic compounds. Its structure allows for various derivatizations, making it adaptable for creating novel molecules with potential applications in medicinal chemistry.
Research and Development
Employed in academic and industrial research laboratories for exploring new chemical pathways and developing advanced materials. It is a fundamental reagent for scientists investigating pyrimidine-based structures.
Heterocyclic Chemistry
A valuable reagent for heterocyclic chemists, offering a propyl-substituted thiouracil core for the synthesis of a wide array of nitrogen and sulfur-containing ring systems. Its specific functional groups facilitate targeted synthetic strategies.
| Molecular weight | 170.23 |
|---|---|
| Empirical formula | C7H10N2OS |
| Assay | ≥98.0% (T) |
| Melting point | 218-220 °C(lit.)218-220 °C |


Hazard statements
- H302Harmful if swallowed
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 300 °C / 572 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-40 |
| Safety statements (S) | 36/37 |
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 6-Propyl-2-thiouracil used for?
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6-Propyl-2-thiouracil (CAS: 51-52-5) is primarily used as a building block in chemical synthesis, particularly for creating heterocyclic compounds in research and development settings.
What are the CAS number and chemical formula for 6-Propyl-2-thiouracil?
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The CAS number for 6-Propyl-2-thiouracil is 51-52-5, and its empirical formula (Hill notation) is C7H10N2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Propyl-2-thiouracil with an assay of ≥98.0% (T). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety considerations when handling 6-Propyl-2-thiouracil?
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6-Propyl-2-thiouracil is classified with GHS07 and GHS08 symbols, a Warning signal word, and carries hazard statements H302 (Harmful if swallowed) and H351 (Suspected of causing cancer). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (e.g., type N100 US or P3 EN143), must be used. Handle with care to avoid ingestion and inhalation.
Is 6-Propyl-2-thiouracil a controlled substance?
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The provided data does not indicate that 6-Propyl-2-thiouracil is a controlled substance.
How is 6-Propyl-2-thiouracil packed, shipped, or exported?
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Tech Serve Solutions professionally packs and exports fine chemicals like 6-Propyl-2-thiouracil globally, adhering to all necessary regulations for safe transport and handling.
How can I request a quote or sample for 6-Propyl-2-thiouracil?
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To request a quote or a sample of 6-Propyl-2-thiouracil, please contact our sales team through the website or via the provided contact details.
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