4-Amino-6-chloro-2-(methylthio)pyrimidine
4-Amino-6-chloro-2-(methylthio)pyrimidine (CAS: 1005-38-5) is a halogenated heterocyclic compound with the molecular formula C5H6ClN3S and a molecular weight of 175.64 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyrimidine derivatives. This compound is essential for researchers and manufacturers involved in the development of novel chemical entities and materials.

Chemical Synthesis Intermediate
This pyrimidine derivative is widely employed as an intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations, making it a versatile building block.
Heterocyclic Chemistry Research
Its structure, featuring a pyrimidine core with chloro and methylthio substituents, makes it a compound of interest for research in heterocyclic chemistry. It can be used to explore new synthetic pathways and create novel heterocyclic systems.
Building Block for Specialty Chemicals
The compound functions as a key component in the construction of specialty chemicals. Its unique combination of substituents enables the introduction of specific functionalities into target molecules.
| Molecular weight | 175.64 |
|---|---|
| Empirical formula | C5H6ClN3S |
| Assay | 97% |
| Melting point | 130-132 °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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| 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 4-Amino-6-chloro-2-(methylthio)pyrimidine used for?
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4-Amino-6-chloro-2-(methylthio)pyrimidine is primarily used as a building block in chemical synthesis and for research in heterocyclic chemistry.
What are the CAS number and formula for 4-Amino-6-chloro-2-(methylthio)pyrimidine?
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The CAS number is 1005-38-5 and the empirical formula is C5H6ClN3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-6-chloro-2-(methylthio)pyrimidine with an assay of 97%. We do not represent this product as meeting any specific pharmacopoeia standards such as USP, BP, or EP.
What are the safety precautions for handling this chemical?
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This compound is a warning irritant and may cause skin (H315), eye (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Amino-6-chloro-2-(methylthio)pyrimidine packed and exported?
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Tech Serve Solutions ensures secure packing and handles the export of 4-Amino-6-chloro-2-(methylthio)pyrimidine according to international shipping regulations.
How can I request a quote or sample?
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Please use the 'Request a Quote' or 'Request Sample' buttons on the product page, or contact our sales team directly to inquire about 4-Amino-6-chloro-2-(methylthio)pyrimidine.
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