2-Methyl-5-((phenylthio)methyl)pyrazolo[1,5-a]pyrimidin-7(1H)-one CAS 478078-05-6

Purity 97%+In StockPharmaceutical Standards
CAS No.478078-05-6
Molecular FormulaC14H13N3OS
Molecular Weight271.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-5-((phenylthio)methyl)pyrazolo[1,5-a]pyrimidin-7(1H)-one CAS 478078-05-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 271.34 g/mol gives 2-Methyl-5-((phenylthio)methyl)pyrazolo[1,5-a]pyrimidin-7(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Methyl-5-((phenylthio)methyl)pyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 478078-05-6), molecular formula C14H13N3OS and molecular weight 271.34 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H13N3OS, 2-Methyl-5-((phenylthio)methyl)pyrazolo[1,5-a]pyrimidin-7(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 271.34 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.

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

As a certified reference material (CRM), 2-Methyl-5-((phenylthio)methyl)pyrazolo[1,5-a]pyrimidin-7(1H)-one 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 FormulaC14H13N3OS
Molecular Weight271.34 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.)2025
Nitrogen Atoms3
Sulfur Atoms1

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