1,1′-(2,2′,3,3′-Tetrahydro-1,1′-spirobi[1H-indene]-7,7′-diyl)bis[1,1-bis(4-methylphenyl)phosphine] CAS 1119754-17-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1119754-17-4
Molecular FormulaC45H42P2
Molecular Weight644.76 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1′-(2,2′,3,3′-Tetrahydro-1,1′-spirobi[1H-indene]-7,7′-diyl)bis[1,1-bis(4-methylphenyl)phosphine] CAS 1119754-17-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 644.76 g/mol gives 1,1′-(2,2′,3,3′-Tetrahydro-1,1′-spirobi[1H-indene]-7,7′-diyl)bis[1,1-bis(4-methylphenyl)phosphine] distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,1′-(2,2′,3,3′-Tetrahydro-1,1′-spirobi[1H-indene]-7,7′-diyl)bis[1,1-bis(4-methylphenyl)phosphine] (CAS 1119754-17-4) is a high-purity analytical reference standard with the molecular formula C45H42P2 and a molecular weight of 644.76 g/mol.

Based on its molecular formula C45H42P2, 1,1′-(2,2′,3,3′-Tetrahydro-1,1′-spirobi[1H-indene]-7,7′-diyl)bis[1,1-bis(4-methylphenyl)phosphine] contains organophosphorus functionality, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 644.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 1,1′-(2,2′,3,3′-Tetrahydro-1,1′-spirobi[1H-indene]-7,7′-diyl)bis[1,1-bis(4-methylphenyl)phosphine] 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 FormulaC45H42P2
Molecular Weight644.76 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)25.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989

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