(2,3,4,5,6-Pentafluorophenyl)(pyridine)gold CAS 89636-43-1
| CAS No. | 89636-43-1 |
| Molecular Formula | C11H5AuF5N |
| Molecular Weight | 443.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2,3,4,5,6-Pentafluorophenyl)(pyridine)gold (CAS 89636-43-1), molecular formula C11H5AuF5N and molecular weight 443.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2,3,4,5,6-Pentafluorophenyl)(pyridine)gold (C11H5AuF5N) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 443.12 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 (2,3,4,5,6-Pentafluorophenyl)(pyridine)gold 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 | C11H5AuF5N |
| Molecular Weight | 443.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Pentafluorophenyl Standards
- Bis(pentafluorophenyl)phenylphosphine (CAS 5074-71-5)
- Bis(pentafluorophenyl)bromophosphine (CAS 13648-79-8)
- 2,3,4,5,6-Pentafluorophenyl 4-bromo-2-chlorobenzenesulfonate (CAS 886361-22-4)
- Pentafluorophenyl 2-(morpholin-4-ylsulphonyl)benzoate (CAS 950603-27-7)
- (2,3,4,5,6-pentafluorophenyl) 4-chloro-3-(2,4-dioxohexahydropyrimidin-1-yl)benzoate (CAS 2633633-39-1)
- (2,3,4,5,6-Pentafluorophenyl)(tetrahydrothiophene)gold (CAS 60748-77-8)
- (2,3,4,5,6-pentafluorophenyl) 3-(2,4-dioxohexahydropyrimidin-1-yl)-4-methoxy-benzoate (CAS 2377643-63-3)
- Pentafluorophenyl 1-(thieno[3,2-d]pyrimidin-4-yl)piperidine-4-carboxylate (CAS 916766-92-2)
Recommended Standards
- 3-((2,3-Dibromo-5-ethoxy-6-hydroxybenzylidene)amino)benzoic acid (CAS 321963-76-2)
- 1-(3,4-Dichlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one (CAS 338965-46-1)
- 2-(5-Bromo-4-formyl-2-methoxyphenoxy)-N-(4-bromophenyl)acetamide (CAS 832674-16-5)
- (4-bromo-5-iodo-2-naphthyl) 2,2-dimethylpropanoate (CAS 2757096-97-0)
- 2-(((4AR,6S,7R,8R,8aR)-8-acetamido-7-benzyl-6,7,8-trihydroxy-2-phenyltetrahydropyrano[3,2-d][1,3]dioxin-8a(6H)-yl)oxy)propanoic acid (CAS 499104-69-7)
- Metoprolol Impurity 31 (CAS 942499-01-6)
- 5-[4-(1,3-Dioxolan-2-yl)phenyl]-1H-indole-3-carbaldehyde (CAS 893737-55-8)
- Dihydro Ketoprofen-13C,d3 (Mixture of Diastereomers) (CAS 1189722-51-7)
- 4-Bromo-2-methylphenyl acetate (CAS 52727-92-1)
- 5-Bromo-2-(piperidin-4-yl)pyrimidine (CAS 1256818-45-7)
- (3-Aminophenyl)(3,4-dimethylphenyl)methanone (CAS 62261-58-9)
- 2-Bromo-4-isopropylbenzophenone (CAS 137327-30-1)
- (2,4-Dimethyl-5-nitrophenyl)boronic acid (CAS 319474-09-4)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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