1-[(4-Methoxyphenyl)methyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one CAS 303987-99-7

Purity 97%+In StockPharmaceutical Standards
CAS No.303987-99-7
Molecular FormulaC18H19NO2
Molecular Weight281.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-[(4-Methoxyphenyl)methyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one CAS 303987-99-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 281.35 g/mol gives 1-[(4-Methoxyphenyl)methyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-[(4-Methoxyphenyl)methyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one (CAS 303987-99-7) is a high-purity analytical reference standard with the molecular formula C18H19NO2 and a molecular weight of 281.35 g/mol.

Structurally, 1-[(4-Methoxyphenyl)methyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one (C18H19NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 281.35 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC18H19NO2
Molecular Weight281.35 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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