Gold, (4-pyridinylethynyl)[tris(4-methylphenyl)phosphine]- CAS 825628-24-8
| CAS No. | 825628-24-8 |
| Molecular Formula | C28H26AuNP |
| Molecular Weight | 604.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Gold, (4-pyridinylethynyl)[tris(4-methylphenyl)phosphine]- (CAS 825628-24-8), molecular formula C28H26AuNP and molecular weight 604.45 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Gold, (4-pyridinylethynyl)[tris(4-methylphenyl)phosphine]- (C28H26AuNP) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, organophosphorus functionality. The molecule exhibits a degree of unsaturation (DBE) of 16.5, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 604.45 g/mol, it falls into the high-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C28H26AuNP |
| Molecular Weight | 604.45 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) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Gold Standards
- Gold, (phenylethynyl)[tris(4-methylphenyl)phosphine]- (CAS 91071-16-8)
- Gold, (2(3H)-benzoxazolethionato-S)(triphenylphosphine)- (CAS 59418-59-6)
- Gold, dimethyl(phenylethynyl)(triphenylphosphine)-, (SP-4-3)- (CAS 110320-16-6)
- Gold, 9H-carbazol-9-yl(triphenylphosphine)- (CAS 91884-43-4)
- Gold, (4-methylbenzenethiolato)(triphenylphosphine)- (CAS 121860-53-5)
- Gold, (4-aminobenzenesulfonamidato-N1)(triphenylphosphine)- (CAS 117199-40-3)
- Gold iodide (AuI3) (CAS 13453-24-2)
- Gold, (2-phenylcyclopropyl)(triphenylphosphine)- (CAS 113286-63-8)
Recommended Standards
- 4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-(phenylsulfonyl)phenyl 4-chlorobenzenesulfonate (CAS 338407-47-9)
- (1-Methyl-3-phenyl-5-((3-(trifluoromethyl)phenyl)thio)-1H-pyrazol-4-yl)methyl 3,5-bis(trifluoromethyl)benzoate (CAS 318497-74-4)
- 3,8-Bis[3,5-bis(trifluoromethyl)phenyl]-1,10-phenanthroline (CAS 1228032-35-6)
- 2,6-Dibromo-4,8-bis((2-ethylhexyl)oxy)benzo[1,2-b:4,5-b']dithiophene (CAS 1226782-13-3)
- Methyl 2-(phenylethynyl)benzoate (CAS 33578-05-1)
- 1-Phenyl-2-(3-(trifluoromethyl)phenyl)ethane-1,2-dione (CAS 40103-85-3)
- (3-Bromo-5-nitrophenyl)hydrazine hydrochloride (CAS 2407751-62-4)
- 4-Chloro-3-methyl-3-hydroxy-1-butene (CAS 7437-62-9)
- Methyl 2-bromo-4-cyano-5-(trifluoromethyl)benzoate (CAS 1807023-89-7)
- 1-(2,4-dichlorophenyl)-3-(dimethylamino)prop-2-en-1-one (CAS 137235-13-3)
- (S)-5,6-Difluoro-2-methyl-1,2,3,4-tetrahydroquinoline (CAS 154357-38-7)
- tert-Butyl (S)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-5-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate (CAS 138871-58-6)
- 3-({1,3-diethyl-2-oxo-1h,2h,3h-imidazo[4,5-b]pyridin-5-yl}carbamoyl)propanoic acid (CAS 1110717-65-1)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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