Methyl 5-(tert-Butyldimethylsilyloxymethyl-2,6-diisopropyl-4-(4-fluorophenyl) -pyridine-3-carboxylate CAS 334933-44-7
| CAS No. | 334933-44-7 |
| Molecular Formula | C26H38FNO3Si |
| Molecular Weight | 459.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 5-(tert-Butyldimethylsilyloxymethyl-2,6-diisopropyl-4-(4-fluorophenyl) -pyridine-3-carboxylate.
Methyl 5-(tert-Butyldimethylsilyloxymethyl-2,6-diisopropyl-4-(4-fluorophenyl) -pyridine-3-carboxylate (CAS 334933-44-7) is a high-purity analytical reference standard with the molecular formula C26H38FNO3Si and a molecular weight of 459.67 g/mol.
Based on its molecular formula C26H38FNO3Si, Methyl 5-(tert-Butyldimethylsilyloxymethyl-2,6-diisopropyl-4-(4-fluorophenyl) -pyridine-3-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 459.67 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.
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 | C26H38FNO3Si |
| Molecular Weight | 459.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- N-((2R,3R,4R,5S,6R)-2-(heptadecyloxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)acetamide (CAS 262856-90-6)
- (E)-({4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]phenyl}methylidene)[(2,6-dichlorophenyl)methoxy]amine (CAS 1092346-36-5)
- 7,9-Dimethyl-2-((4-methylbenzyl)thio)-4-(phenylthio)pyrido[3',2':4,5]thieno[3,2-d]pyrimidine (CAS 672950-73-1)
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- 5-Chloro-2-fluoroisonicotinonitrile (CAS 924651-91-2)
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- 8-((3-Nitro-1H-1,2,4-triazol-1-yl)sulfonyl)quinoline (CAS 77244-88-3)
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- Semaglutide impurity 01 (CAS 1998701-31-7)
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