4,6-Diamino-2-mercaptopyrimidine hydrate
4,6-Diamino-2-mercaptopyrimidine hydrate (CAS: 1004-39-3 anhydrous) is a heterocyclic organic compound with the empirical formula C4H6N4S · xH2O. Possessing a molecular weight of 142.18 g/mol on an anhydrous basis, this pyrimidine derivative serves as a valuable building block in chemical synthesis. Its primary applications lie in the creation of complex organic molecules and heterocyclic compounds within research and development settings.
- IUPAC
- 4,6-Diamino-2-pyrimidinethiol
- Synonyms
- 4,6-Diamino-2-pyrimidinethiol hydrate

Organic Synthesis Intermediate
This compound acts as a key intermediate in the synthesis of various organic molecules. Its functional groups allow for diverse chemical transformations, making it useful in the development of novel compounds.
Heterocyclic Chemistry
As a pyrimidine derivative, it is employed in the construction of more complex heterocyclic systems. These structures are often of interest in medicinal chemistry and materials science.
Research and Development
Used in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its utility spans across various R&D projects requiring specific pyrimidine scaffolds.
| Molecular weight | 142.18 (anhydrous basis) |
|---|---|
| Empirical formula | C4H6N4S · xH2O |
| Assay | 99% |
| Solubility | 1 M NaOH: soluble2% |
| Melting point | >300 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 4,6-Diamino-2-mercaptopyrimidine hydrate used for?
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4,6-Diamino-2-mercaptopyrimidine hydrate is primarily used as a building block in organic synthesis and heterocyclic chemistry, particularly in research and development settings.
What are the CAS number and formula for this compound?
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The CAS number for the anhydrous form is 1004-39-3. The empirical formula is C4H6N4S · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 99%. It is supplied as a technical/research grade and is not represented as USP, BP, or EP.
What are the safety and handling precautions for this chemical?
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This compound requires appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator filter (type N95 or P1). It is classified under WGK 2 in Germany, indicating a higher hazard level.
Is this chemical suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote?
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Please contact our sales team directly through the website or by phone to request a sample or a detailed quotation for 4,6-Diamino-2-mercaptopyrimidine hydrate.
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