tert-Butyl 3-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate CAS 877173-81-4

Purity 97%+In StockPharmaceutical Standards
CAS No.877173-81-4
Molecular FormulaC16H21ClN4O2
Molecular Weight336.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl 3-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate CAS 877173-81-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 336.82 g/mol gives tert-Butyl 3-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

tert-Butyl 3-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate (CAS 877173-81-4) is a high-purity analytical reference standard with the molecular formula C16H21ClN4O2 and a molecular weight of 336.82 g/mol.

Based on its molecular formula C16H21ClN4O2, tert-Butyl 3-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures tert-Butyl 3-(7-chloropyrazolo[1,5-a]pyrimidin-5-yl)piperidine-1-carboxylate 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 FormulaC16H21ClN4O2
Molecular Weight336.82 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms4

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