9,10-Bis(4-methoxyphenyl)-2-chloroanthracene CAS 110904-87-5

Purity 97%+In StockPharmaceutical Standards
CAS No.110904-87-5
Molecular FormulaC28H21ClO2
Molecular Weight424.92 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9,10-Bis(4-methoxyphenyl)-2-chloroanthracene CAS 110904-87-5 chemical structure

Description

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.

9,10-Bis(4-methoxyphenyl)-2-chloroanthracene (CAS 110904-87-5), molecular formula C28H21ClO2 and molecular weight 424.92 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 9,10-Bis(4-methoxyphenyl)-2-chloroanthracene (C28H21ClO2) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 424.92 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

Physical & Chemical Properties

Molecular FormulaC28H21ClO2
Molecular Weight424.92 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentCl-containing

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