3-(3-Methyl-1H-pyrazol-5-yl)pyridine CAS 19959-72-9

Purity 97%+In StockPharmaceutical Standards
CAS No.19959-72-9
Molecular FormulaC9H9N3
Molecular Weight159.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(3-Methyl-1H-pyrazol-5-yl)pyridine CAS 19959-72-9 chemical structure

Description

As a certified reference material (CRM), 3-(3-Methyl-1H-pyrazol-5-yl)pyridine 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.

3-(3-Methyl-1H-pyrazol-5-yl)pyridine (CAS 19959-72-9) is a high-purity analytical reference standard with the molecular formula C9H9N3 and a molecular weight of 159.19 g/mol.

3-(3-Methyl-1H-pyrazol-5-yl)pyridine (C9H9N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC9H9N3
Molecular Weight159.19 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms3

Recommended Standards

Why CATO?