(S)-(1,1'-Binaphthalene-2,2'-dioxy)chlorophosphine CAS 137156-22-0
| CAS No. | 137156-22-0 |
| Molecular Formula | C20H12ClO2P |
| Molecular Weight | 350.73 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.
(S)-(1,1'-Binaphthalene-2,2'-dioxy)chlorophosphine (CAS 137156-22-0) is a high-purity analytical reference standard with the molecular formula C20H12ClO2P and a molecular weight of 350.73 g/mol.
Structurally, (S)-(1,1'-Binaphthalene-2,2'-dioxy)chlorophosphine (C20H12ClO2P) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.5, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 350.73 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures (S)-(1,1'-Binaphthalene-2,2'-dioxy)chlorophosphine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H12ClO2P |
| Molecular Weight | 350.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
Related S Standards
- [1,1'-Binaphthalene]-4,4'-dicarboxylic acid (CAS 123524-53-8)
- (S)-[1,1’-Binaphthalene]-2,2’-dicarboxylic Acid (CAS 18531-96-9)
- [1,1′-Binaphthalene]-8,8′-dicarboxylic acid (CAS 29878-91-9)
- (R)-[1,1'-Binaphthalene]-2,2'-dicarboxamide (CAS 406464-00-4)
- [1,1′-Binaphthalene]-3,3′-dicarbonitrile,2,2′-dihydroxy-, (1S)- (CAS 656805-31-1)
- (R)-[1,1'-Binaphthalene]-2,2'-diyl diacetate (CAS 101758-48-9)
- 2,2'-([1,1'-Binaphthalene]-2,2'-diylbis(oxy))bis(ethan-1-ol) (CAS 55441-95-7)
- 1,1′-Binaphthalene, 5,5′,6,6′,7,7′,8,8′-octahydro-2,2′-bis(methoxymethoxy)-, (1R)- (CAS 791616-66-5)
Recommended Standards
- 6-Chloro-4-(phenylethynyl)-4-(trifluoromethyl)-3,4-dihydroquinazolin-2(1H)-one (CAS 214287-66-8)
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