6-Chloro-5-methylpyrazolo[1,5-a]pyrimidin-7-ol CAS 853030-20-3

Purity 97%+In StockPharmaceutical Standards
CAS No.853030-20-3
Molecular FormulaC7H6ClN3O
Molecular Weight183.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Chloro-5-methylpyrazolo[1,5-a]pyrimidin-7-ol CAS 853030-20-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 183.60 g/mol gives 6-Chloro-5-methylpyrazolo[1,5-a]pyrimidin-7-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 6-Chloro-5-methylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 853030-20-3), a certified reference material (molecular formula C7H6ClN3O, MW 183.60 g/mol) for analytical method development and quality control.

The molecular framework of 6-Chloro-5-methylpyrazolo[1,5-a]pyrimidin-7-ol (C7H6ClN3O) is characterized by an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

As a certified reference material (CRM), 6-Chloro-5-methylpyrazolo[1,5-a]pyrimidin-7-ol 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 FormulaC7H6ClN3O
Molecular Weight183.60 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms3

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