4-Bromo-2-(tert-butyl)-7-(dimethoxymethyl)-6-iodooxazolo[4,5-c]pyridine CAS 1305325-14-7
| CAS No. | 1305325-14-7 |
| Molecular Formula | C13H16BrIN2O3 |
| Molecular Weight | 455.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-(tert-butyl)-7-(dimethoxymethyl)-6-iodooxazolo[4,5-c]pyridine (CAS 1305325-14-7) is a high-purity analytical reference standard with the molecular formula C13H16BrIN2O3 and a molecular weight of 455.09 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine/iodine substitution, 4-Bromo-2-(tert-butyl)-7-(dimethoxymethyl)-6-iodooxazolo[4,5-c]pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 455.09 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C13H16BrIN2O3 |
| Molecular Weight | 455.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br/I-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
- 2,6-Dibromo-4-[(6,7-dimethoxyquinazolin-4-yl)amino]phenol 211555-05-4 4159AH C16H13Br2N3O3 (CAS 211555-05-4)
- 2-((4-Allyl-5-(4-(tert-butyl)phenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-chloro-2-methylphenyl)acetamide (CAS 539812-47-0)
- Olodaterol Impurity 16 (CAS CATO-C4X-194316)
- [(4-tert-Butylphenyl)methoxy][(E)-2-(3-{[(4-chlorophenyl)methyl]sulfanyl}-6-methyl-1,2,4-triazin-5-yl)ethenyl]amine (CAS 338775-77-2)
- 1-(4-Ethoxyphenyl)butan-2-ol (CAS 1285386-17-5)
- Ifflaiamine (CAS 31520-95-3)
- 1236261-53-2 2-Amino-N-(2-hydroxy-1,1-dimethylethyl)-3-phenylpropanamide hydrochloride 2864AD C13H21ClN2O2 (CAS 1236261-53-2)
- (R)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate (CAS 58578-32-8)
- 3-Methylbenzenethiol (CAS 108-40-7)
- 2-((3-Cyano-6-(4-ethoxyphenyl)-4-phenylpyridin-2-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 332376-13-3)
- 3-(Dimethylamino)-4-iodophenol (CAS 1243344-64-0)
- N-benzyl-2,3-dihydro-1H-inden-1-amine (CAS 151252-98-1)
- tert-Butyl (cis-3-amino-3-methylcyclobutyl)carbamate (CAS 1408076-24-3)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
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