(4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1,2-epoxy-1-O-triethylsilyl-1-naphthol CAS 1217528-57-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1217528-57-8
Molecular FormulaC22H26Cl2O2Si
Molecular Weight421.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1,2-epoxy-1-O-triethylsilyl-1-naphthol CAS 1217528-57-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 421.43 g/mol gives (4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1,2-epoxy-1-O-triethylsilyl-1-naphthol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1,2-epoxy-1-O-triethylsilyl-1-naphthol (CAS 1217528-57-8), a certified reference material (molecular formula C22H26Cl2O2Si, MW 421.43 g/mol) for analytical method development and quality control.

Based on its molecular formula C22H26Cl2O2Si, (4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1,2-epoxy-1-O-triethylsilyl-1-naphthol contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC22H26Cl2O2Si
Molecular Weight421.43 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing

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