(R)-1-(5-(4-Aminophenyl)-8-methyl-8,9-dihydro-7H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d][1,2]diazepin-7-yl)ethan-1-one CAS 161832-65-1

Purity 97%+In StockPharmaceutical Standards
CAS No.161832-65-1
Molecular FormulaC19H19N3O3
Molecular Weight337.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-1-(5-(4-Aminophenyl)-8-methyl-8,9-dihydro-7H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d][1,2]diazepin-7-yl)ethan-1-one CAS 161832-65-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 337.37 g/mol gives (R)-1-(5-(4-Aminophenyl)-8-methyl-8,9-dihydro-7H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d][1,2]diazepin-7-yl)ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(R)-1-(5-(4-Aminophenyl)-8-methyl-8,9-dihydro-7H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d][1,2]diazepin-7-yl)ethan-1-one (CAS 161832-65-1), molecular formula C19H19N3O3 and molecular weight 337.37 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (R)-1-(5-(4-Aminophenyl)-8-methyl-8,9-dihydro-7H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d][1,2]diazepin-7-yl)ethan-1-one (C19H19N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 337.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 (R)-1-(5-(4-Aminophenyl)-8-methyl-8,9-dihydro-7H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d][1,2]diazepin-7-yl)ethan-1-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 FormulaC19H19N3O3
Molecular Weight337.37 g/mol
AppearancePale yellow to yellow crystalline powder
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Nitrogen Atoms3

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