2,6-Dibromo-4-[(6,7-dimethoxyquinazolin-4-yl)amino]phenol 211555-05-4 4159AH C16H13Br2N3O3 CAS 211555-05-4
| CAS No. | 211555-05-4 |
| Molecular Formula | C16H13Br2N3O3 |
| Molecular Weight | 455.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H13Br2N3O3, 2,6-Dibromo-4-[(6,7-dimethoxyquinazolin-4-yl)amino]phenol 211555-05-4 4159AH C16H13Br2N3O3 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 455.10 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.
2,6-Dibromo-4-[(6,7-dimethoxyquinazolin-4-yl)amino]phenol 211555-05-4 4159AH C16H13Br2N3O3 (CAS 211555-05-4), molecular formula C16H13Br2N3O3 and molecular weight 455.10 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C16H13Br2N3O3 |
| Molecular Weight | 455.10 g/mol |
| Appearance | Pale yellow to 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2017 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Dibromo Standards
- 4-((3,5-Dibromo-2-hydroxybenzylidene)amino)-3-(pyridin-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613248-46-7)
- 3,10-Dibromo-6-phenyl-6H-benzo[5,6][1,3]oxazino[3,4-a]indole (CAS 1369594-56-8)
- (S)-3,10-Dibromo-6-phenyl-6H-benzo[5,6][1,3]oxazino[3,4-a]indole, 97% (CAS 1392102-38-3)
- 6,8-Dibromo-2-(4-phenoxyphenyl)quinoline (CAS 860783-90-0)
- Ethyl 4-(2,3-dibromo-3-phenylpropanamido)benzoate (CAS 449788-70-9)
- 2,2'-Dibromo-3,3',4,4',5,5',6,6'-octafluoro-1,1'-biphenyl (CAS 5576-19-2)
- (4,5-Dibromo-6-oxopyridazin-1(6H)-yl)methyl 3-(trifluoromethyl)benzoate (CAS 439108-09-5)
- 4,5-Dibromo-1-(ethoxymethyl)-2-(2-ethoxynaphthalen-1-yl)-1H-imidazole (CAS 1001755-61-8)
Recommended Standards
- Ethyl 8-bromo-2-(bromomethyl)-3-methyl-4,5-dioxo-4,5-dihydro-3H-benzo[e]indole-1-carboxylate (CAS 125365-59-5)
- Olodaterol Impurity 16 (CAS CATO-C4X-194316)
- 4-Bromo-2-(tert-butyl)-7-(dimethoxymethyl)-6-iodooxazolo[4,5-c]pyridine (CAS 1305325-14-7)
- Olodaterol Impurity 17 (CAS CATO-C4X-194317)
- (4R,5R)-Methyl 5-isopropyl-4,5-dihydrooxazole-4-carboxylate (CAS 119395-11-8)
- N-(4-Amino-6-(cyclopropylamino)-1,3,5-triazin-2-yl)heptanamide (CAS 99135-47-4)
- 1-(4-Fluorobenzyl)-1h-imidazole-4-carboxylic acid (CAS 1368524-71-3)
- Vonoprazan Impurity 177 (CAS CATO-C4X-1020177)
- 1-Pyridin-3-yl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine (CAS 865546-36-7)
- N-(2,6-difluorophenyl)propionamide (CAS 950240-71-8)
- (S)-Neopentyl 2-aminopropanoate (CAS 946565-75-9)
- 3-cyclohexyl-2-fluoropropanoic acid (CAS 81520-20-9)
- 7-Bromo-3-chloro-5H-pyrrolo[2,3-b]pyrazine (CAS 1935445-26-3)
- Retatrutide (CAS 2381089-83-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com