5-Chloro-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine CAS 1402665-00-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1402665-00-2
Molecular FormulaC7H3ClF3N3
Molecular Weight221.57 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Chloro-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine CAS 1402665-00-2 chemical structure

Description

Based on its molecular formula C7H3ClF3N3, 5-Chloro-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine contains a nitrile group, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.57 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.

5-Chloro-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 1402665-00-2), molecular formula C7H3ClF3N3 and molecular weight 221.57 g/mol, is a CATO reference standard with documented purity and traceability.

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

CATO manufactures 5-Chloro-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine 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 FormulaC7H3ClF3N3
Molecular Weight221.57 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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.)1991
Halogen ContentF/Cl-containing
Nitrogen Atoms3

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