3,4,5,6-Tetrahydro-2-pyrimidinethiol
3,4,5,6-Tetrahydro-2-pyrimidinethiol (CAS: 2055-46-1) is a heterocyclic organic compound with the molecular formula C4H8N2S and a molecular weight of 116.18 g/mol. This pyrimidine derivative functions as a valuable building block in chemical synthesis. It is commonly employed in research and development settings for the construction of more complex molecular structures, particularly within the field of heterocyclic chemistry. TSS supplies this chemical with an assay of ≥99%.
- Synonyms
- 6-Tetrahydro-2-pyrimidinethiol2-Mercapto-1,4,5,6-tetrahydropyrimidine

Heterocyclic Synthesis
3,4,5,6-Tetrahydro-2-pyrimidinethiol serves as a key intermediate in the synthesis of various heterocyclic compounds. Its structure allows for diverse chemical transformations, making it useful in constructing novel pyrimidine-based molecules.
Pharmaceutical Research
As a versatile building block, this compound finds application in medicinal chemistry research for the development of new drug candidates. Its pyrimidine core is present in many biologically active molecules.
Organic Chemistry Reagent
This thiol derivative is utilised in organic synthesis laboratories for a range of reactions. It is valuable for introducing the tetrahydropyrimidine moiety into organic frameworks.
| Molecular weight | 116.18 |
|---|---|
| Empirical formula | C4H8N2S |
| Assay | ≥99% |
| Melting point | 210-212 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, 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 3,4,5,6-Tetrahydro-2-pyrimidinethiol used for?
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3,4,5,6-Tetrahydro-2-pyrimidinethiol is primarily used as a building block in chemical synthesis, particularly for the creation of novel heterocyclic compounds and in pharmaceutical research.
What are the CAS number and formula for 3,4,5,6-Tetrahydro-2-pyrimidinethiol?
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The CAS number for 3,4,5,6-Tetrahydro-2-pyrimidinethiol is 2055-46-1, and its empirical formula is C4H8N2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4,5,6-Tetrahydro-2-pyrimidinethiol with an assay of ≥99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3,4,5,6-Tetrahydro-2-pyrimidinethiol be handled safely?
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3,4,5,6-Tetrahydro-2-pyrimidinethiol is classified as a Warning substance. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). When handling, wear appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation. Follow precautionary statements P261, P305, P351, and P338.
Is 3,4,5,6-Tetrahydro-2-pyrimidinethiol a controlled substance?
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The provided data does not indicate that 3,4,5,6-Tetrahydro-2-pyrimidinethiol is a controlled substance.
How is this chemical exported and shipped?
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As a specialist global supplier, Tech Serve Solutions exports and ships chemicals internationally. Specific shipping and packing details will be provided upon request and in accordance with all relevant regulations.
How can I request a sample or a quote for 3,4,5,6-Tetrahydro-2-pyrimidinethiol?
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To request a sample or a quote for 3,4,5,6-Tetrahydro-2-pyrimidinethiol, please contact our sales team through the website or by phone, providing your specific requirements.
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