4-Fluoro-3-((trimethylsilyl)ethynyl)aniline CAS 77123-63-8
| CAS No. | 77123-63-8 |
| Molecular Formula | C11H14FNSi |
| Molecular Weight | 207.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Fluoro-3-((trimethylsilyl)ethynyl)aniline is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Fluoro-3-((trimethylsilyl)ethynyl)aniline (CAS 77123-63-8), molecular formula C11H14FNSi and molecular weight 207.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H14FNSi, 4-Fluoro-3-((trimethylsilyl)ethynyl)aniline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Fluoro-3-((trimethylsilyl)ethynyl)aniline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H14FNSi |
| Molecular Weight | 207.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluoro Standards
- 3-Fluoro-4-((trimethylsilyl)ethynyl)aniline (CAS 2146146-58-7)
- 3-(4-Fluoro-3-methylbenzyl)piperidine (CAS 1017150-75-2)
- 4-(4-Fluoro-3-methylbenzyl)piperidine (CAS 1017150-93-4)
- n-(4-Fluoro-3-methylbenzyl)cyclopentanamine (CAS 1248709-34-3)
- 3-(3-Fluoro-5-methylbenzyl)piperidine (CAS 1337461-31-0)
- 2-(4-Fluoro-2-methylphenyl)-6-methylpiperidine (CAS 1342677-17-1)
- 4-(2-Fluoro-5-methylbenzyl)piperidine (CAS 1343032-32-5)
- 148492-11-9 4-[2-(4-Fluoro-phenyl)-ethyl]-piperidine 4-[2-(4-fluorophenyl)ethyl]piperidine (CAS 148492-11-9)
Recommended Standards
- 4-BENZYL-5H-THIAZOLE-2-THIONE (CAS 889942-40-9)
- 5-(Aminomethyl)-N,N-dipropylpyridin-2-amine (CAS 926218-32-8)
- 4,6-Di-tert-butylpyrimidin-2-amine (CAS 78641-13-1)
- 5-(Methylthio)quinoline-8-thiol (CAS 32433-56-0)
- 6-((Trimethylsilyl)ethynyl)-3,4-dihydro-2H-pyrano[2,3-b]pyridine (CAS 1346446-98-7)
- 1-(cyclohexylamino)cyclohexane-1-carbonitrile (CAS 6623-11-6)
- 6-Benzyloxy Warfarin (CAS 30992-68-8)
- 4-(4-Aminobutanamido)butanoic acid (CAS 98998-63-1)
- 1-Cyclopropyl-4-iodopyrazole (CAS 1239363-40-6)
- 3-Iodo-7-methoxy-1H-indazole (CAS 351210-07-6)
- 3-Methyl-4-(pyrrolidin-1-yl)aniline dihydrochloride (CAS 1189943-91-6)
- 3-[3-(trifluoromethyl)phenyl]prop-2-yn-1-amine hydrochloride (CAS 1052550-23-8)
- 1-(6-Fluoro-5-iodo-1H-indazol-1-yl)ethan-1-one (CAS 1823927-83-8)
- Fibrinogen-Binding Inhibitor Peptide (CAS 89105-94-2)
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