2,6-dimethyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-5,7-dione CAS 1423025-72-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1423025-72-2
Molecular FormulaC8H9N3O2
Molecular Weight179.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,6-dimethyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-5,7-dione CAS 1423025-72-2 chemical structure

Description

Based on its molecular formula C8H9N3O2, 2,6-dimethyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-5,7-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.18 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.

2,6-dimethyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-5,7-dione (CAS 1423025-72-2), molecular formula C8H9N3O2 and molecular weight 179.18 g/mol, is a CATO reference standard with documented purity and traceability.

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), 2,6-dimethyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine-5,7-dione 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 FormulaC8H9N3O2
Molecular Weight179.18 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms3

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