tert-Butyl 7-chloro-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate CAS 1956331-92-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1956331-92-2
Molecular FormulaC18H25ClN2O3
Molecular Weight352.86 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl 7-chloro-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate CAS 1956331-92-2 chemical structure

Description

The occurrence of tert-Butyl 7-chloro-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

tert-Butyl 7-chloro-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate (CAS 1956331-92-2) is a high-purity analytical reference standard with the molecular formula C18H25ClN2O3 and a molecular weight of 352.86 g/mol.

Based on its molecular formula C18H25ClN2O3, tert-Butyl 7-chloro-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate contains a steroid core, 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 352.86 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 7-chloro-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-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 FormulaC18H25ClN2O3
Molecular Weight352.86 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Halogen ContentCl-containing
Nitrogen Atoms2

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