5-(2-(Trimethylsilyl)-1-ethyn-1-yl)-1-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)imidazo-4-carbonitrile CAS 126004-21-5
| CAS No. | 126004-21-5 |
| Molecular Formula | C20H25N3O7Si |
| Molecular Weight | 447.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(2-(Trimethylsilyl)-1-ethyn-1-yl)-1-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)imidazo-4-carbonitrile is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-(2-(Trimethylsilyl)-1-ethyn-1-yl)-1-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)imidazo-4-carbonitrile (CAS 126004-21-5), a certified reference material (molecular formula C20H25N3O7Si, MW 447.51 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H25N3O7Si, 5-(2-(Trimethylsilyl)-1-ethyn-1-yl)-1-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)imidazo-4-carbonitrile contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 447.51 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.
As a certified reference material (CRM), 5-(2-(Trimethylsilyl)-1-ethyn-1-yl)-1-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)imidazo-4-carbonitrile 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 | C20H25N3O7Si |
| Molecular Weight | 447.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 3 |
Related Trimethylsilyl Standards
- 2-(Trimethylsilyl)ethyl 4-(3-((tert-butoxycarbonyl-amino)methyl)phenyl)piperidine-1-carboxylate (CAS 725228-48-8)
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- 2-[4-(Trimethylsilyl)phenyl]ethan-1-ol (CAS 5112-67-4)
- 6,13-Bis((trimethylsilyl)ethynyl)pentacene (CAS 317809-68-0)
- 2,6-Bis(trimethylsilyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 2416166-99-7)
- Benzyl 4-(2-((2-(trimethylsilyl)ethoxy)methyl)-2H-tetrazol-5-yl)piperidine-1-carboxylate (CAS 1313712-41-2)
- 4-((Trimethylsilyl)oxy)-2-(triphenylphosphoranylidene)butanenitrile (CAS 112601-85-1)
- Trimethylsilyl 2-(2-bromotetrafluoroethoxy) tetrafluoropropionate (CAS 1309602-76-3)
Recommended Standards
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- Methyl 2-(1-ethyl-3-methyl-1h-pyrazol-4-yl)quinoline-4-carboxylate (CAS 1004644-10-3)
- 5-(chloromethyl)-1-phenyl-1H-1,2,4-triazole (CAS 114370-76-2)
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- Tert-butyl 4-(3-aminopyrrolidin-1-yl)piperidine-1-carboxylate oxalate (CAS 2068150-81-0)
- Methyl 3-oxo-3-(pyridin-4-ylamino)propanoate (CAS 610281-60-2)
- Olmesartan Impurity 16 (CAS 124750-53-4)
- 4-Methyl-4'-vinyl-2,2'-bipyridine (CAS 74173-48-1)
- 3-Cyclopropyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine (CAS 853784-22-2)
- 3-Chloro-1H-pyrrolo[3,2-b]pyridine-7-carbonitrile (CAS 1190319-02-8)
- Brain Injury Derived Neurotrophic Peptide (H-3914.0001) (CAS 148330-12-5)
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