2-Bromo-5-fluoro-4-methylquinazoline CAS 1503773-76-9
| CAS No. | 1503773-76-9 |
| Molecular Formula | C9H6BrFN2 |
| Molecular Weight | 241.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromo-5-fluoro-4-methylquinazoline 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.
CATO supplies 2-Bromo-5-fluoro-4-methylquinazoline (CAS 1503773-76-9), a certified reference material (molecular formula C9H6BrFN2, MW 241.06 g/mol) for analytical method development and quality control.
Structurally, 2-Bromo-5-fluoro-4-methylquinazoline (C9H6BrFN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 241.06 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H6BrFN2 |
| Molecular Weight | 241.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 3-Bromo-6-fluoroquinolin-4-amine (CAS 1065088-21-2)
- 3-Bromo-8-fluoroquinolin-4-amine (CAS 1065088-27-8)
- 8-Bromo-5-fluoroisoquinolin-3-amine (CAS 1221974-48-6)
- 5-bromo-1-(4-fluorophenyl)-1H-pyrazole (CAS 1245149-36-3)
- 8-Bromo-6-fluoroquinolin-4-amine (CAS 1248250-53-4)
- 6-Bromo-8-fluoroisoquinolin-3-amine (CAS 1260815-69-7)
- 4-Bromo-1-(3-fluorophenyl)-1H-imidazole (CAS 1353855-68-1)
- 4-Bromo-1-(3-fluorophenyl)-1H-pyrazole (CAS 1353856-11-7)
Recommended Standards
- 4-Bromo-3-(2-fluorophenyl)-1H-pyrazole (CAS 149739-37-7)
- 3-(4-bromo-2-fluorophenyl)-1H-pyrazole (CAS 1548477-52-6)
- 3-Bromo-6-fluoroquinolin-2-amine (CAS 1447961-74-1)
- 5-Bromo-8-fluoroisoquinolin-1-amine (CAS 1694884-77-9)
- 2-(N-(2-chloro-5-(trifluoromethyl)phenyl)methylsulfonamido)-N-(2,4-dichlorophenyl)acetamide (CAS 339018-84-7)
- (4-(Pentan-3-ylcarbamoyl)phenyl)boronic acid (CAS 956894-13-6)
- Methyl 5-hydrazinyl-2-(p-tolyl)oxazole-4-carboxylate (CAS 663177-20-6)
- [1-(2-Hydroxyethyl)-3,5-dimethyl-1H-pyrazol-4-yl]acetic acid (CAS 926213-17-4)
- 2-Thioxo-5-((5-(trifluoromethyl)furan-2-yl)methylene)thiazolidin-4-one (CAS 65712-31-4)
- Mianserin EP Impurity D HCl (CAS 157994-98-4（free base）)
- (R)-1-(4-chloro-3-fluorobenzyl)piperidin-3-amine (CAS 1222710-53-3)
- Tert-butyl 4-(6-(ethoxycarbonyl)pyridin-2-yl)piperazine-1-carboxylate (CAS 1350807-20-3)
- 4-(Dimethylamino)cyclohexanecarbonitrile (CAS 101935-32-4)
- Fibrinopeptide A, human TFA (CAS 61533-47-9)
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