5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol CAS 90019-55-9

Purity 97%+In StockPharmaceutical Standards
CAS No.90019-55-9
Molecular FormulaC13H11N3O
Molecular Weight225.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol CAS 90019-55-9 chemical structure

Description

Structurally, 5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol (C13H11N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 225.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 90019-55-9) is a high-purity analytical reference standard with the molecular formula C13H11N3O and a molecular weight of 225.25 g/mol.

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.

CATO manufactures 5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC13H11N3O
Molecular Weight225.25 g/mol
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Nitrogen Atoms3

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