2-(1H-Pyrazol-5-yl)thiazole CAS 942223-95-2

Purity 97%+In StockPharmaceutical Standards
CAS No.942223-95-2
Molecular FormulaC6H5N3S
Molecular Weight151.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(1H-Pyrazol-5-yl)thiazole CAS 942223-95-2 chemical structure

Description

The occurrence of 2-(1H-Pyrazol-5-yl)thiazole is closely related to a nitrile group, sulfur-containing functionality, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(1H-Pyrazol-5-yl)thiazole (CAS 942223-95-2) is a high-purity analytical reference standard with the molecular formula C6H5N3S and a molecular weight of 151.19 g/mol.

Based on its molecular formula C6H5N3S, 2-(1H-Pyrazol-5-yl)thiazole contains a nitrile group, sulfur-containing functionality, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 151.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC6H5N3S
Molecular Weight151.19 g/mol
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.)1987
Nitrogen Atoms3
Sulfur Atoms1

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