Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)gold(I) CAS 854045-95-7
| CAS No. | 854045-95-7 |
| Molecular Formula | C26H35AuClO2P |
| Molecular Weight | 642.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)gold(I) is closely related to a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)gold(I) (CAS 854045-95-7), molecular formula C26H35AuClO2P and molecular weight 642.95 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)gold(I) (C26H35AuClO2P) contains a steroid core, organophosphorus functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 642.95 g/mol, it falls into the high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures Chloro(2-dicyclohexylphosphino-2',6'-dimethoxy-1,1'-biphenyl)gold(I) 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 | C26H35AuClO2P |
| Molecular Weight | 642.95 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}ethyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 190437-59-3)
- 2-Chloro-N-(2-(trifluoromethyl)phenyl)benzamide (CAS 3873-78-7)
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Recommended Standards
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- Bendamustine Impurity 39 (CAS CATO-C4X-127139)
- 4-Acetyl-3,5-dimethyl-1H-pyrrole-2-carbaldehyde (CAS 2386-30-3)
- 3-((2-Hydroxyethyl)thio)pyrazine-2-carbonitrile (CAS 882286-34-2)
- (1-(Pyrimidin-4-yl)azetidin-3-yl)methanamine (CAS 1497802-78-4)
- N-(azetidin-3-yl)-N-methylmethanesulfonamide; trifluoroacetic acid (CAS 1619991-24-0)
- (Naphthalen-1-ylmethyl)hydrazine hydrochloride (CAS 94714-35-9)
- 2-Chloro-5-fluoro-4-(trimethylstannyl)pyridine (CAS 2758379-41-6)
- (2R,3S,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol (CAS 7115-46-0)
- n-(1-(3,4-Dichlorophenyl)ethyl)cyclopropanamine (CAS 1016829-30-3)
- (2R,5S)-N-(3-(1H-imidazol-1-yl)propyl)-5-((S)-1-aminoethyl)tetrahydrofuran-2-carboxamide (CAS 1332725-54-8)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
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