4-(Pyridin-4-yl)butanoic acid hydrochloride CAS 71879-56-6

Purity 97%+In StockPharmaceutical Standards
CAS No.71879-56-6
Molecular FormulaC9H11NO2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Pyridin-4-yl)butanoic acid hydrochloride CAS 71879-56-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 201.65 g/mol gives 4-(Pyridin-4-yl)butanoic acid hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(Pyridin-4-yl)butanoic acid hydrochloride (CAS 71879-56-6), molecular formula C9H11NO2HCl and molecular weight 201.65 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H11NO2HCl, 4-(Pyridin-4-yl)butanoic acid hydrochloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 201.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), 4-(Pyridin-4-yl)butanoic acid hydrochloride 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 FormulaC9H11NO2 HCl
Molecular Weight201.65 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Halogen ContentCl-containing
Nitrogen Atoms1

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