2-methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]quinazoline-3-carbaldehyde CAS 380388-49-8

Purity 97%+In StockPharmaceutical Standards
CAS No.380388-49-8
Molecular FormulaC16H16N4O
Molecular Weight280.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]quinazoline-3-carbaldehyde CAS 380388-49-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 280.32 g/mol gives 2-methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]quinazoline-3-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]quinazoline-3-carbaldehyde (CAS 380388-49-8), molecular formula C16H16N4O and molecular weight 280.32 g/mol, is a CATO reference standard with documented purity and traceability.

2-methyl-5-pyrrolidin-1-ylpyrazolo[1,5-a]quinazoline-3-carbaldehyde (C16H16N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC16H16N4O
Molecular Weight280.32 g/mol
AppearancePale yellow to yellow crystalline powder
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms4

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