6,6-Dimethyl-1,2-diphenyl-1,5,6,7-tetrahydro-4H-indol-4-one CAS 68638-85-7

Purity 97%+In StockPharmaceutical Standards
CAS No.68638-85-7
Molecular FormulaC22H21NO
Molecular Weight315.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6,6-Dimethyl-1,2-diphenyl-1,5,6,7-tetrahydro-4H-indol-4-one CAS 68638-85-7 chemical structure

Description

As a certified reference material (CRM), 6,6-Dimethyl-1,2-diphenyl-1,5,6,7-tetrahydro-4H-indol-4-one 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.

6,6-Dimethyl-1,2-diphenyl-1,5,6,7-tetrahydro-4H-indol-4-one (CAS 68638-85-7), molecular formula C22H21NO and molecular weight 315.41 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 6,6-Dimethyl-1,2-diphenyl-1,5,6,7-tetrahydro-4H-indol-4-one (C22H21NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 315.41 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.

Physical & Chemical Properties

Molecular FormulaC22H21NO
Molecular Weight315.41 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
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Nitrogen Atoms1

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