3-Bromo-6-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine CAS 1695951-07-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1695951-07-5
Molecular FormulaC7H10BrN3
Molecular Weight216.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Bromo-6-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine CAS 1695951-07-5 chemical structure

Description

Owing to a nitrile group, bromine substitution, an aromatic ring system, 3-Bromo-6-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 216.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

3-Bromo-6-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine (CAS 1695951-07-5), molecular formula C7H10BrN3 and molecular weight 216.08 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 3-Bromo-6-methyl-4H,5H,6H,7H-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 FormulaC7H10BrN3
Molecular Weight216.08 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentBr-containing
Nitrogen Atoms3

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