Pyrazole CAS 288-13-1

Purity >95%In StockPharmaceutical Standards
CAS No.288-13-1
Molecular FormulaC3H4N2
Molecular Weight68.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pyrazole CAS 288-13-1 chemical structure

Description

The occurrence of Pyrazole is closely related to a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Pyrazole (CAS 288-13-1), molecular formula C3H4N2 and molecular weight 68.08 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Pyrazole (C3H4N2) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 68.08 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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

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 FormulaC3H4N2
Molecular Weight68.08 g/mol
Purity>95%
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Nitrogen Atoms2

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Why CATO?