N-(9-oxo-9H-fluoren-4-yl)acetamide CAS 42135-35-3

Purity 97%+In StockPharmaceutical Standards
CAS No.42135-35-3
Molecular FormulaC15H11NO2
Molecular Weight237.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(9-oxo-9H-fluoren-4-yl)acetamide CAS 42135-35-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(9-oxo-9H-fluoren-4-yl)acetamide.

N-(9-oxo-9H-fluoren-4-yl)acetamide (CAS 42135-35-3) is a high-purity analytical reference standard with the molecular formula C15H11NO2 and a molecular weight of 237.25 g/mol.

Structurally, N-(9-oxo-9H-fluoren-4-yl)acetamide (C15H11NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 237.25 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), N-(9-oxo-9H-fluoren-4-yl)acetamide 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 FormulaC15H11NO2
Molecular Weight237.25 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969
Nitrogen Atoms1

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