6-Isopropylpyrazolo[1,5-a]pyrimidine CAS 83724-76-9

Purity 97%+In StockPharmaceutical Standards
CAS No.83724-76-9
Molecular FormulaC9H11N3
Molecular Weight161.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Isopropylpyrazolo[1,5-a]pyrimidine CAS 83724-76-9 chemical structure

Description

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

6-Isopropylpyrazolo[1,5-a]pyrimidine (CAS 83724-76-9) is a high-purity analytical reference standard with the molecular formula C9H11N3 and a molecular weight of 161.20 g/mol.

Structurally, 6-Isopropylpyrazolo[1,5-a]pyrimidine (C9H11N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 161.20 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H11N3
Molecular Weight161.20 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Nitrogen Atoms3

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