Tert-butyl ((1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate CAS 1638643-13-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1638643-13-6
Molecular FormulaC13H21NO4
Molecular Weight255.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Tert-butyl ((1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate CAS 1638643-13-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 255.31 g/mol gives Tert-butyl ((1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Tert-butyl ((1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate (CAS 1638643-13-6), molecular formula C13H21NO4 and molecular weight 255.31 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Tert-butyl ((1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate (C13H21NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 255.31 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 ((1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate 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 FormulaC13H21NO4
Molecular Weight255.31 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 methanol, acetonitrile, DMSO, water (slightly soluble)
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.)1993
Nitrogen Atoms1

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