1,1'-[(1S)-2,2',3,3'-Tetrahydro-3,3,3',3'-tetramethyl-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-diphenylphosphine] CAS 2250185-30-7
| CAS No. | 2250185-30-7 |
| Molecular Formula | C45H42P2 |
| Molecular Weight | 644.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,1'-[(1S)-2,2',3,3'-Tetrahydro-3,3,3',3'-tetramethyl-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-diphenylphosphine] (CAS 2250185-30-7), molecular formula C45H42P2 and molecular weight 644.76 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C45H42P2, 1,1'-[(1S)-2,2',3,3'-Tetrahydro-3,3,3',3'-tetramethyl-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-diphenylphosphine] 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).
As a certified reference material (CRM), 1,1'-[(1S)-2,2',3,3'-Tetrahydro-3,3,3',3'-tetramethyl-1,1'-spirobi[1H-indene]-7,7'-diyl]bis[1,1-diphenylphosphine] 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 Formula | C45H42P2 |
| Molecular Weight | 644.76 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related S Standards
- 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)
- (1R)-2,2',3,3'-Tetrahydro-6,6'-di-1-pyrenyl-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1643684-84-7)
- (1S)-2,2',3,3'-Tetrahydro-6,6'-bis[2,4,6-tris(1-methylethyl)phenyl]-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1258276-31-1)
- (1R)-2,2',3,3'-Tetrahydro-6,6'-bis[2,4,6-tris(1-methylethyl)phenyl]-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1372719-98-6)
- (11aR)-10,11,12,13-Tetrahydro-5-hydroxy-3,7-di-9-phenanthrenyl-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-oxide (CAS 1372719-93-1)
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- [(15aS)-7,8,9,10-Tetrahydro-6H-dibenzo[b,d][1,6]dioxacycloundecin-1,15-diyl]bis[diphenylphosphine] (CAS 486429-95-2)
- 3-({1-Methyl-3-[3-(1,4,5,6-tetrahydro-pyrimidin-2-ylamino)-propyl]-1H-indazole-6-carbonyl}-amino)-2-(4-oxazol-2-yl-benzenesulfonylamino)-propionic acid (CAS 1231018-76-0)
Recommended Standards
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(tritylamino)phenyl)propanoic acid (CAS 1356823-05-6)
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- Benzaldehyde, 4,4′-[[1,1′-biphenyl]-4,4′-diylbis(1-naphthalenylimino)]bis- (CAS 854938-56-0)
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- 6-Iodoquinazolin-4-one (CAS 16064-08-7)
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- tert-Butyl N-[(5-amino-1,3,4-oxadiazol-2-yl)methyl]carbamate (CAS 942034-89-1)
- Ethyl 4-Allyl-4-piperidinecarboxylate Hydrochloride (CAS 1186663-51-3)
- N-((3,4-dichlorobenzoyl)oxy)-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 320418-46-0)
- 4-(2-Aminoethyl)-5-(p-tolyl)-1H-pyrazol-3(2H)-one (CAS 910443-41-3)
- 5-(4-Bromophenyl)-5H-imidazo[2,1-a]isoindole (CAS 1227199-81-6)
- 3,5-Dichloro-2-(difluoromethoxy)phenylacetic acid 1807060-61-2 (CAS 1807060-61-2)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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