tert-butyl 3-ethynyl-3-hydroxypiperidine-1-carboxylate CAS 287192-85-2

Purity 97%+In StockPharmaceutical Standards
CAS No.287192-85-2
Molecular FormulaC12H19NO3
Molecular Weight225.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-butyl 3-ethynyl-3-hydroxypiperidine-1-carboxylate CAS 287192-85-2 chemical structure

Description

tert-butyl 3-ethynyl-3-hydroxypiperidine-1-carboxylate (C12H19NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

tert-butyl 3-ethynyl-3-hydroxypiperidine-1-carboxylate (CAS 287192-85-2) is a high-purity analytical reference standard with the molecular formula C12H19NO3 and a molecular weight of 225.28 g/mol.

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.

As a certified reference material (CRM), tert-butyl 3-ethynyl-3-hydroxypiperidine-1-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC12H19NO3
Molecular Weight225.28 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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