9-Methylguanine
9-Methylguanine (CAS: 5502-78-3), a purine derivative with the molecular formula C6H7N5O and a molecular weight of 165.15 g/mol, is a key heterocyclic building block. It is primarily utilised in chemical synthesis and research applications. This compound serves as a valuable intermediate for constructing more complex molecules in various organic chemistry endeavours.
- IUPAC
- 2-Amino-6-hydroxy-9-methylpurine

Chemical Synthesis Intermediate
9-Methylguanine acts as a fundamental building block in organic synthesis. Its purine structure allows for diverse chemical modifications, making it useful in the development of novel compounds.
Research and Development
As a heterocyclic compound, 9-Methylguanine is employed in academic and industrial research settings. It facilitates studies in medicinal chemistry and material science due to its specific molecular architecture.
Biochemical Studies
The compound's purine nature makes it relevant for biochemical research, potentially aiding in studies related to nucleoside analogues or metabolic pathways.
| Molecular weight | 165.15 |
|---|---|
| Empirical formula | C6H7N5O |
| Assay | ≥98.0% (HPLC) |
| Impurities tested | ≤1% guanine |
| Melting point | ≥300 °C |
| 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 9-Methylguanine used for?
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9-Methylguanine is primarily used as a building block in chemical synthesis and for research and development purposes, particularly in areas like medicinal chemistry and biochemical studies.
What is the CAS number and formula for 9-Methylguanine?
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The CAS number for 9-Methylguanine is 5502-78-3, and its molecular formula is C6H7N5O.
What grade and purity does Tech Serve Solutions supply for 9-Methylguanine?
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Tech Serve Solutions supplies 9-Methylguanine with an assay of ≥98.0% (HPLC). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 9-Methylguanine be handled safely?
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When handling 9-Methylguanine, it is recommended to use safety measures including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is advised. The compound has a WGK Germany rating of 3.
Is 9-Methylguanine a controlled substance?
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The provided data does not indicate that 9-Methylguanine is a controlled substance.
How is 9-Methylguanine packed, shipped, and exported?
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9-Methylguanine is carefully packed to ensure stability during transit. As a global supplier, Tech Serve Solutions adheres to all relevant regulations for the export of fine chemicals.
How can I request a quote or sample for 9-Methylguanine?
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To request a quote or sample for 9-Methylguanine, please contact our sales team through the website or by phone. Our team will promptly assist you with your inquiry.
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