2-Mercapto-4-methylpyrimidine hydrochloride
2-Mercapto-4-methylpyrimidine hydrochloride (CAS: 6959-66-6; Formula: C5H6N2S · HCl) is a pyrimidine derivative with a molecular weight of 162.64 g/mol. Supplied by Tech Serve Solutions (TSS) with an assay of 99%, this compound serves as a valuable building block in chemical synthesis. Its heterocyclic structure makes it suitable for the development of various organic compounds, particularly within the C4 to C5 carbon range. It is a hydrochloride salt of 4-methyl-2-pyrimidinethiol.
- IUPAC
- 4-Methyl-2-pyrimidinethiol hydrochloride
- Synonyms
- 4-Methyl-2-pyrimidinethiol hydrochloride

Heterocyclic Synthesis
This compound acts as a key intermediate in the synthesis of complex heterocyclic structures. Its pyrimidine core is amenable to further functionalization, facilitating the creation of novel molecular architectures for research and development.
Organic Building Block
As a C4 to C5 building block, 2-Mercapto-4-methylpyrimidine hydrochloride can be utilised in multistep synthetic pathways. It offers a versatile starting point for introducing the pyrimidine motif into larger organic molecules.
Chemical Research
Researchers in organic and medicinal chemistry may employ this compound in the exploration of new reaction methodologies or in the construction of target molecules with potential biological activity.
| Molecular weight | 162.64 |
|---|---|
| Empirical formula | C5H6N2S · HCl |
| Assay | 99% |
| Melting point | 265 °C (dec.)(lit.) |
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-Mercapto-4-methylpyrimidine hydrochloride used for?
+
2-Mercapto-4-methylpyrimidine hydrochloride is primarily used as a building block in chemical synthesis and for the preparation of heterocyclic compounds.
What is the CAS number and formula for 2-Mercapto-4-methylpyrimidine hydrochloride?
+
The CAS number is 6959-66-6, and the molecular formula is C5H6N2S · HCl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Mercapto-4-methylpyrimidine hydrochloride with a purity of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for this product?
+
This compound is classified under WGK Germany 3. Please consult the Safety Data Sheet (SDS) for comprehensive handling, storage, and hazard information. It is imperative to use appropriate personal protective equipment.
Is 2-Mercapto-4-methylpyrimidine hydrochloride a controlled substance?
+
The provided data does not indicate that 2-Mercapto-4-methylpyrimidine hydrochloride is a controlled substance.
How can I request a quote or sample?
+
To request a quote or sample of 2-Mercapto-4-methylpyrimidine hydrochloride, please use the contact form on our website or reach out to our sales department directly.
How is this chemical packed and exported?
+
Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all relevant shipping regulations to ensure safe and timely delivery.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis