3H-IMIDAZO[4,5-B]PYRIDINE 4-OXIDE CAS 1177661-37-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1177661-37-8
Molecular FormulaC6H5N3O
Molecular Weight135.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3H-IMIDAZO[4,5-B]PYRIDINE 4-OXIDE CAS 1177661-37-8 chemical structure

Description

3H-IMIDAZO[4,5-B]PYRIDINE 4-OXIDE (CAS 1177661-37-8), molecular formula C6H5N3O and molecular weight 135.12 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3H-IMIDAZO[4,5-B]PYRIDINE 4-OXIDE (C6H5N3O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 135.12 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), 3H-IMIDAZO[4,5-B]PYRIDINE 4-OXIDE meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H5N3O
Molecular Weight135.12 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms3

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