2-Hydroxy-3-methyl-5-nitropyridine
2-Hydroxy-3-methyl-5-nitropyridine (CAS: 21901-34-8), with the molecular formula C6H6N2O3 and a molecular weight of 154.12 g/mol, is a pyridine derivative. This compound serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its specific structure lends itself to the development of complex molecules for various research and industrial applications, especially in the synthesis of novel chemical entities.
- IUPAC
- 3-Methyl-5-nitro-2-pyridinol

Organic Synthesis Intermediate
Utilised as a key intermediate in the multi-step synthesis of diverse organic molecules. Its functional groups allow for various chemical transformations, making it a versatile component in creating more complex structures.
Heterocyclic Chemistry Research
A valuable reagent for researchers working with pyridine derivatives and heterocyclic compounds. It enables the exploration of novel chemical reactions and the synthesis of compounds with potential biological or material properties.
Pharmaceutical Intermediate Development
Serves as a precursor or building block in the research and development of new pharmaceutical agents. Its structure can be incorporated into molecules designed for specific therapeutic targets.
| Molecular weight | 154.12 |
|---|---|
| Empirical formula | C6H6N2O3 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 228-232 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-37/39 |
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 2-Hydroxy-3-methyl-5-nitropyridine used for?
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2-Hydroxy-3-methyl-5-nitropyridine is primarily used as a building block in organic synthesis and heterocyclic chemistry research, including the development of pharmaceutical intermediates.
What are the CAS number and molecular formula?
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The CAS number for 2-Hydroxy-3-methyl-5-nitropyridine is 21901-34-8, and its molecular formula is C6H6N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Hydroxy-3-methyl-5-nitropyridine with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Hydroxy-3-methyl-5-nitropyridine be handled safely?
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This compound is classified as Danger, with hazards including H302 (harmful if swallowed), H315 (causes skin irritation), H318 (causes serious eye damage), and H335 (may cause respiratory irritation). Always handle with appropriate personal protective equipment (gloves, eye protection, respiratory protection) in a well-ventilated area. Avoid contact with skin, eyes, and clothing. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
How is this chemical packed and shipped globally?
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Tech Serve Solutions exports 2-Hydroxy-3-methyl-5-nitropyridine globally, adhering to all relevant shipping regulations for chemical products. Packaging is designed to ensure product integrity and safety during transit.
How can I request a quote or sample?
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To request a quote or a sample of 2-Hydroxy-3-methyl-5-nitropyridine, please contact our sales team through the website or via email, providing your specific requirements.
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