6'-(Diethylamino)-1',3'-dimethylfluoran CAS 21934-68-9

Purity 97%+In StockPharmaceutical Standards
CAS No.21934-68-9
Molecular FormulaC26H25NO3
Molecular Weight399.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6'-(Diethylamino)-1',3'-dimethylfluoran CAS 21934-68-9 chemical structure

Description

The occurrence of 6'-(Diethylamino)-1',3'-dimethylfluoran is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

6'-(Diethylamino)-1',3'-dimethylfluoran (CAS 21934-68-9), molecular formula C26H25NO3 and molecular weight 399.48 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 6'-(Diethylamino)-1',3'-dimethylfluoran (C26H25NO3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

As a certified reference material (CRM), 6'-(Diethylamino)-1',3'-dimethylfluoran 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 FormulaC26H25NO3
Molecular Weight399.48 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms1

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