3,6-Dihydroxy-4-methylpyridazine
3,6-Dihydroxy-4-methylpyridazine (CAS: 5754-18-7), with the molecular formula C5H6N2O2 and a molecular weight of 126.11 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyridazine chemistry. Its structure lends itself to further functionalisation for creating more complex molecules used in research and development.
- IUPAC
- 4-Methylpyridazine-3,6-diol
- Synonyms
- C5H6N2O24-Methylpyridazine-3,6-diol

Chemical Synthesis Intermediate
3,6-Dihydroxy-4-methylpyridazine acts as a key intermediate in the synthesis of various organic compounds. Its pyridazine core can be modified to introduce diverse functionalities for target molecule construction.
Heterocyclic Building Block
This compound is utilized as a specialised heterocyclic building block in the development of novel chemical entities. It is particularly useful in constructing molecules with a pyridazine ring system.
Research and Development
Available in a 97% purity assay, 3,6-Dihydroxy-4-methylpyridazine is suitable for use in laboratory research and development activities. It facilitates studies in medicinal chemistry and materials science.
| Molecular weight | 126.11 |
|---|---|
| Empirical formula | C5H6N2O2 |
| Assay | 97% |
| Melting point | 284-288 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 3,6-Dihydroxy-4-methylpyridazine used for?
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3,6-Dihydroxy-4-methylpyridazine is used as a building block in chemical synthesis and as a heterocyclic intermediate in research and development.
What is the CAS number and formula for 3,6-Dihydroxy-4-methylpyridazine?
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The CAS number is 5754-18-7 and the empirical formula is C5H6N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,6-Dihydroxy-4-methylpyridazine with a purity of 97%. This is a research grade chemical and not represented as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for 3,6-Dihydroxy-4-methylpyridazine?
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This compound is a Warning substance with hazards H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Use with a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation.
How is 3,6-Dihydroxy-4-methylpyridazine packed, shipped, and exported?
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We pack, ship, and export chemicals with meticulous attention to regulatory compliance and safety standards, suitable for global distribution.
How can I request a sample or quote for 3,6-Dihydroxy-4-methylpyridazine?
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To request a sample or quote, please use the contact form on our website or reach out to our sales team with your specific requirements.
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