Chloro[tri(p-tolyl)phosphine]gold(I) CAS 28978-10-1
| CAS No. | 28978-10-1 |
| Molecular Formula | C21H21AuClP |
| Molecular Weight | 536.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Chloro[tri(p-tolyl)phosphine]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.
Chloro[tri(p-tolyl)phosphine]gold(I) (CAS 28978-10-1) is a high-purity analytical reference standard with the molecular formula C21H21AuClP and a molecular weight of 536.78 g/mol.
Based on its molecular formula C21H21AuClP, Chloro[tri(p-tolyl)phosphine]gold(I) contains organophosphorus functionality, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 536.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H21AuClP |
| Molecular Weight | 536.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- Chloro[tri(o-tolyl)phosphine]gold(I) (CAS 83076-07-7)
- (R)-6-Chloro-4-[1-(2,6-dichloro-3-fluorophenyl)ethoxy]-3-[bis(Boc)amino]pyridazine (CAS 1370651-32-3)
- 4-Chloro-N-(1-hydroxy-3-phenylpropan-2-yl)benzamide (CAS 19071-58-0)
- 2-Chloro-4-(N-((3-nitrophenyl)sulfonyl)benzamido)phenyl benzoate (CAS 5228-11-5)
- 2-(2-Chloro-6-hydroxy-5-(((2-methylquinolin-8-yl)amino)methyl)-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 905982-78-7)
- 4-Chloro Maraviroc-d6 (CAS 1346597-32-7)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N1,N3-bis(3-morpholinopropyl)malonamide (CAS 478063-84-2)
- 5-Chloro-1-cyclopropyl-6,7-bis((4-methoxybenzyl)oxy)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1429440-05-0)
Recommended Standards
- N-(2-Bromo-4,6-difluorophenyl)-2-((4-(4-chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 476483-83-7)
- Hyperforin (CAS 11079-53-1)
- Phytomenadione/Vitamin K1 Impurity 78 (CAS CATO-C4X-220778)
- (3-(Tert-butoxy)-2',6'-diisopropyl-6-methoxy-[1,1'-biphenyl]-2-yl)dicyclohexylphosphane (CAS 2489243-29-8)
- N-Nitroso-Carnosine (CAS CATO-C3D-26159)
- 4-Chloro-3-[(cyclopropylmethyl)sulfanyl]aniline (CAS 1511522-12-5)
- (5-((4-Bromophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl 2,2-dichloroacetate (CAS 957010-41-2)
- 5-Azoniaspiro[4.4]nonane Tetrafluoroborate (CAS 129211-47-8)
- 3-[2-(3-Nitrophenoxy)ethyl]piperidinehydrochloride (CAS 1220032-25-6)
- 1-(5-Bromopyridin-3-yl)pyrrolidin-2-one (CAS 1209459-07-3)
- trans-2-Morpholin-4-ylcyclohexanol (CAS 14909-79-6)
- Methyl 5-benzyloxy-2-nitrobenzoate (CAS 116027-16-8)
- 5-(Tert-butyl)-2-chlorobenzaldehyde (CAS 1160574-90-2)
- Liraglutide(14-22)TFA Salt (CAS CATO-C4X-199212)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com