5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine CAS 869952-89-6

Purity 97%+In StockPharmaceutical Standards
CAS No.869952-89-6
Molecular FormulaC9H10F5N3
Molecular Weight255.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine CAS 869952-89-6 chemical structure

Description

The occurrence of 5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (CAS 869952-89-6), molecular formula C9H10F5N3 and molecular weight 255.19 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (C9H10F5N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 255.19 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), 5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine 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 FormulaC9H10F5N3
Molecular Weight255.19 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms3

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