(11bR)-2,6-Bis(3,5-dichlorophenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide CAS 1191451-24-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1191451-24-7
Molecular FormulaC32H17Cl4O4P
Molecular Weight638.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(11bR)-2,6-Bis(3,5-dichlorophenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide CAS 1191451-24-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 638.26 g/mol gives (11bR)-2,6-Bis(3,5-dichlorophenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(11bR)-2,6-Bis(3,5-dichlorophenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide (CAS 1191451-24-7) is a high-purity analytical reference standard with the molecular formula C32H17Cl4O4P and a molecular weight of 638.26 g/mol.

Based on its molecular formula C32H17Cl4O4P, (11bR)-2,6-Bis(3,5-dichlorophenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 638.26 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).

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), (11bR)-2,6-Bis(3,5-dichlorophenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide 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 FormulaC32H17Cl4O4P
Molecular Weight638.26 g/mol
Purity97%+
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)22.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentCl-containing

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