4-Methoxy-2,3-dimethylpyridine CAS 163593-69-9

Purity >95%In StockPharmaceutical Standards
CAS No.163593-69-9
Molecular FormulaC8H11NO
Molecular Weight137.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methoxy-2,3-dimethylpyridine CAS 163593-69-9 chemical structure

Description

As a certified reference material (CRM), 4-Methoxy-2,3-dimethylpyridine 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.

4-Methoxy-2,3-dimethylpyridine (CAS 163593-69-9) is a high-purity analytical reference standard with the molecular formula C8H11NO and a molecular weight of 137.18 g/mol.

Structurally, 4-Methoxy-2,3-dimethylpyridine (C8H11NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 137.18 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.

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.

Physical & Chemical Properties

Molecular FormulaC8H11NO
Molecular Weight137.18 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Nitrogen Atoms1

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