Description
5-Iodo-3-nitropyridin-2-ol (CAS No. 25391-59-7) is a high-purity heterocyclic compound with the molecular formula C5H3IN2O3, widely used in pharmaceutical and agrochemical research. This nitro-substituted pyridine derivative features an iodine atom at the 5-position, enhancing its reactivity in cross-coupling reactions and nucleophilic substitutions. With a molecular weight of 265.99 g/mol, it is a versatile intermediate for synthesizing bioactive molecules, ligands, and functional materials. Available in ≥97% purity (HPLC), it is supplied as a crystalline solid with excellent stability under standard storage conditions (room temperature, inert atmosphere). Ideal for Suzuki-Miyaura coupling, Buchwald-Hartwig amination, and other transition metal-catalyzed transformations.
Properties
- CAS Number: 25391-59-7
- Complexity: 276
- IUPAC Name: 5-iodo-3-nitro-1H-pyridin-2-one
- InChI: InChI=1S/C5H3IN2O3/c6-3-1-4(8(10)11)5(9)7-2-3/h1-2H,(H,7,9)
- InChI Key: JCNPQYWDKONAFU-UHFFFAOYSA-N
- Exact Mass: 265.91884
- Molecular Formula: C5H3IN2O3
- Molecular Weight: 265.99
- SMILES: C1=C(C(=O)NC=C1I)[N+](=O)[O-]
- Topological: 74.9
- Monoisotopic Mass: 265.91884
- Synonyms: 5-Iodo-3-nitropyridin-2-ol, 693-378-7, 25391-59-7, 5-Iodo-3-nitro-1H-pyridin-2-one, 2-Hydroxy-5-iodo-3-nitropyridine, 5-Iodo-3-nitropyridin-2(1H)-one, MFCD09743049, 5-Iodo-3-nitro-pyridin-2-ol, SCHEMBL3991031, SCHEMBL5137768, DTXSID80654686, JCNPQYWDKONAFU-UHFFFAOYSA-N, ABA39159, AKOS015853759, AKOS021983070, CS-W020534, DS-4991, PB17637, 2-Hydroxy-5-iodo-3-nitropyridine, 97%, SY040786, DB-082169, I10209, P13440, EN300-7402531
5-Iodo-3-nitropyridin-2-ol serves as a key building block in medicinal chemistry for designing kinase inhibitors and antimicrobial agents. Its iodine moiety enables palladium-catalyzed cross-coupling reactions to construct complex heterocycles. Researchers also utilize it in material science for developing fluorescent probes and optoelectronic materials. Suitable for high-throughput screening (HTS) libraries due to its reactive handles.
Safety and Hazards
GHS Hazard Statements
- H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
- H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statements
- P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Hazard Classes and Categories
- Acute Tox. 4 (100%)
- Skin Irrit. 2 (100%)
- Eye Irrit. 2 (100%)
- STOT SE 3 (100%)
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