2-(8-bromo-1-naphthyl)ethynyl-triisopropyl-silane CAS 2454490-90-3
| CAS No. | 2454490-90-3 |
| Molecular Formula | C21H27BrSi |
| Molecular Weight | 387.43 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.
2-(8-bromo-1-naphthyl)ethynyl-triisopropyl-silane (CAS 2454490-90-3), molecular formula C21H27BrSi and molecular weight 387.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(8-bromo-1-naphthyl)ethynyl-triisopropyl-silane (C21H27BrSi) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 387.43 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 2-(8-bromo-1-naphthyl)ethynyl-triisopropyl-silane 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 | C21H27BrSi |
| Molecular Weight | 387.43 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Br-containing |
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Recommended Standards
- 2-(3,5-Dimethylphenyl)-4-methyl-6-[1-(4-methylphenyl)-1H-pyrazol-4-yl]-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 477708-77-3)
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- 2-(2-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)phenyl)acetic acid (CAS 882847-15-6)
- 2-Oxo-2-((1-phenylethyl)amino)ethyl 2-(naphtho[2,1-b]furan-1-yl)acetate (CAS 732294-40-5)
- 4-[5-(2,4-Dichlorophenyl)-1H-pyrazol-3-yl]-1-{[3-(trifluoromethyl)phenyl]methyl}piperidine (CAS 1025724-79-1)
- 4,4'-Methylenebis[N,N-dimethylcyclohexanamine] (CAS 13474-64-1)
- 2-(3-((tert-Butyldimethylsilyl)oxy)-3-methylcyclobutyl)-5-(tributylstannyl)-4-(trifluoromethyl)thiazole (CAS 2806011-81-2)
- 2-(5-Phenylfuran-2-yl)cyclopropan-1-amine (CAS 1315352-26-1)
- Ursodeoxycholic acid impurity 29 (CAS CATO-C4X-142229)
- N-(2,5-Dimethylphenyl)-2-[4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775444-20-6)
- (5-Bromopent-1-en-1-yl)benzene (CAS 37464-87-2)
- 1-(Tert-butyl)-2-chloro-1H-imidazole (CAS 1053655-54-1)
- N-(3-(1H-Benzo[d][1,2,3]triazol-1-yl)propyl)-2-formylbenzamide (CAS 2810-37-9)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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