4-Pyridylamidoxime
4-Pyridylamidoxime (CAS: 1594-57-6) is a heterocyclic organic compound with the molecular formula C6H7N3O and a molecular weight of 137.14 g/mol. This pyridine derivative serves as a valuable building block in chemical synthesis, particularly within research and development settings. Its structure lends itself to applications in the creation of more complex molecules, making it a useful reagent for chemists exploring novel chemical entities.
- IUPAC
- Isonicotinamide oxime
- Synonyms
- Isonicotinamide oxime

Organic Synthesis
Utilised as a key intermediate and building block in the synthesis of diverse organic compounds. Its pyridine ring and amidoxime functionality allow for various chemical transformations.
Pharmaceutical Research
Serves as a precursor in the development of potential pharmaceutical agents. Its heterocyclic nature is common in many biologically active molecules.
Material Science
May be employed in the synthesis of novel materials or ligands due to its specific structural features and potential for coordination chemistry.
| Molecular weight | 137.14 |
|---|---|
| Empirical formula | C6H7N3O |
| Assay | 97% |
| Melting point | 128-133 °C(lit.) |

Hazard statements
- 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) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Pyridylamidoxime used for?
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4-Pyridylamidoxime is primarily used as a building block in organic synthesis and in pharmaceutical research for the development of new chemical entities.
What is the CAS number and formula for 4-Pyridylamidoxime?
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The CAS number is 1594-57-6, and the empirical formula is C6H7N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Pyridylamidoxime with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Pyridylamidoxime be handled?
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Handle 4-Pyridylamidoxime with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, as it may cause skin, eye, and respiratory irritation (H315-H319-H335).
Is this chemical suitable for use in food or pharmaceuticals?
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This product is supplied for chemical synthesis and research purposes and is not intended for direct use in food, drug, or cosmetic applications unless explicitly stated otherwise.
How is 4-Pyridylamidoxime typically shipped?
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We export 4-Pyridylamidoxime globally, adhering to all relevant shipping and customs regulations for chemical compounds.
How can I request a quote or sample?
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Please contact our sales department via the website or phone to request a quote or inquire about sample availability for 4-Pyridylamidoxime.
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