3-Bromo-1-trityl-1H-pyrazolo[4,3-b]pyridine CAS 633328-34-4
| CAS No. | 633328-34-4 |
| Molecular Formula | C25H18BrN3 |
| Molecular Weight | 440.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 440.33 g/mol gives 3-Bromo-1-trityl-1H-pyrazolo[4,3-b]pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-1-trityl-1H-pyrazolo[4,3-b]pyridine (CAS 633328-34-4) is a high-purity analytical reference standard with the molecular formula C25H18BrN3 and a molecular weight of 440.33 g/mol.
Based on its molecular formula C25H18BrN3, 3-Bromo-1-trityl-1H-pyrazolo[4,3-b]pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 440.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C25H18BrN3 |
| Molecular Weight | 440.33 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- (4-(2-(1H-Imidazol-1-yl)ethoxy)phenyl)-(3-(4-bromophenyl)pyrrolidin-1-yl)methanone (CAS 1951451-77-6)
- Manganese (Salen-3,3'-dimethoxy)acetate (CAS 186358-92-9)
- 6-(3-Bromophenyl)-2-(2-morpholinoethyl)-4-phenylpyridazin-3(2H)-one (CAS 23348-38-1)
- 4-[3,5-Bis(trifluoromethyl)benzoyl]-8-methyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-34-7)
- 5-[4-(2-chloroacetyl)piperazin-1-yl]-2-methyl-1,3-oxazole-4-carbonitrile (CAS 1050910-17-2)
- 3,5-Dichloro-4-isopropoxybenzaldehyde (CAS 692281-56-4)
- 1-(2-(4-Fluorophenyl)-1-methyl-1H-imidazol-5-yl)ethan-1-one (CAS 944898-54-8)
- (3-(tert-Butylcarbamoyl)-4-fluorophenyl)boronic acid (CAS 874219-26-8)
- 5,6-Dichloro-1-(2-chlorobenzyl)-2-(2-chloropyridin-3-yl)-1H-benzo[d]imidazole (CAS 337920-70-4)
- 6-(Oxolan-3-yloxy)pyridin-3-amine (CAS 1341833-37-1)
- N-((1-Ethyl-1H-pyrazol-4-yl)methyl)-1-isopropyl-1H-pyrazol-4-amine hydrochloride (CAS 1856071-54-9)
- 1-(6-Iodopyridazin-3-yl)ethanone (CAS 1707405-56-8)
- 1-(5-Methyl-2-(phenylamino)thiazol-4-yl)ethan-1-one hydrochloride (CAS 479351-15-0)
- Des-Pro-Pro-Tirzepatide (CAS CATO-CPTD788696)
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