6-Bromo-7-(3-((tert-butyldimethylsilyl)oxy)propyl)-5-(p-tolyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine CAS 821794-85-8
| CAS No. | 821794-85-8 |
| Molecular Formula | C22H31BrN4OSi |
| Molecular Weight | 475.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Bromo-7-(3-((tert-butyldimethylsilyl)oxy)propyl)-5-(p-tolyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 821794-85-8) is a high-purity analytical reference standard with the molecular formula C22H31BrN4OSi and a molecular weight of 475.50 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 6-Bromo-7-(3-((tert-butyldimethylsilyl)oxy)propyl)-5-(p-tolyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 475.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C22H31BrN4OSi |
| Molecular Weight | 475.50 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
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