3-Nitropyridin-4-ol CAS 5435-54-1

Purity >95%In StockPharmaceutical Standards
CAS No.5435-54-1
Molecular FormulaC5H4N2O3
Molecular Weight140.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Nitropyridin-4-ol CAS 5435-54-1 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

3-Nitropyridin-4-ol (CAS 5435-54-1), molecular formula C5H4N2O3 and molecular weight 140.10 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-Nitropyridin-4-ol (C5H4N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 140.10 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures 3-Nitropyridin-4-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC5H4N2O3
Molecular Weight140.10 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1958
Nitrogen Atoms2

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Why CATO?