(S)-3-Amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one CAS 199613-85-9

Purity 97%+In StockPharmaceutical Standards
CAS No.199613-85-9
Molecular FormulaC9H10N2O2
Molecular Weight178.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-3-Amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one CAS 199613-85-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 178.19 g/mol gives (S)-3-Amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(S)-3-Amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one (CAS 199613-85-9), molecular formula C9H10N2O2 and molecular weight 178.19 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H10N2O2, (S)-3-Amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 178.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 (S)-3-Amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one 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 FormulaC9H10N2O2
Molecular Weight178.19 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-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
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2014
Nitrogen Atoms2

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