2-Hydroxy-3-iodo-5-nitropyridine
2-Hydroxy-3-iodo-5-nitropyridine (CAS: 25391-58-6, C5H3IN2O3) is a heterocyclic organic compound with a molecular weight of 265.99 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of halogenated heterocycles. This pyridine derivative is primarily utilised in research and development settings for the creation of novel molecules and complex chemical structures. Its specific functional groups offer versatile reactivity for further chemical transformations.

Chemical Synthesis Intermediate
This compound is employed as a key intermediate in organic synthesis. Its structure, featuring hydroxyl, iodo, and nitro groups on a pyridine ring, allows for diverse chemical modifications.
Heterocyclic Chemistry Research
2-Hydroxy-3-iodo-5-nitropyridine is utilised in academic and industrial research laboratories focusing on the development of novel heterocyclic compounds with potential applications in medicinal chemistry and materials science.
Building Block for Complex Molecules
It functions as a versatile building block for constructing more complex molecular architectures due to the reactivity of its substituents.
| Molecular weight | 265.99 |
|---|---|
| Empirical formula | C5H3IN2O3 |
| Assay | 97% |
| Melting point | 203-207 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 22-41 |
| Safety statements (S) | 26-39 |
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-iodo-5-nitropyridine used for?
+
2-Hydroxy-3-iodo-5-nitropyridine is primarily used as a building block and intermediate in chemical synthesis, particularly within research and development for creating novel heterocyclic compounds.
What is the CAS number and chemical formula for 2-Hydroxy-3-iodo-5-nitropyridine?
+
The CAS number is 25391-58-6 and the chemical formula is C5H3IN2O3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Hydroxy-3-iodo-5-nitropyridine with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main hazards associated with 2-Hydroxy-3-iodo-5-nitropyridine?
+
This compound is classified as harmful if swallowed (H302) and causes serious eye damage (H318). It requires careful handling, including wearing eye shields, gloves, and a dust mask (type N95 US).
Is 2-Hydroxy-3-iodo-5-nitropyridine available for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Hydroxy-3-iodo-5-nitropyridine.
How can I request a quote or sample?
+
To request a quote or sample of 2-Hydroxy-3-iodo-5-nitropyridine, please contact our sales team through our website or by phone.
▶ 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