2-(3-Nitrophenyl)quinazoline CAS 154221-02-0
| CAS No. | 154221-02-0 |
| Molecular Formula | C14H9N3O2 |
| Molecular Weight | 251.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 251.24 g/mol gives 2-(3-Nitrophenyl)quinazoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(3-Nitrophenyl)quinazoline (CAS 154221-02-0), molecular formula C14H9N3O2 and molecular weight 251.24 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 2-(3-Nitrophenyl)quinazoline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 251.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-(3-Nitrophenyl)quinazoline 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.
Physical & Chemical Properties
| Molecular Formula | C14H9N3O2 |
| Molecular Weight | 251.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 3 |
Related Nitrophenyl Standards
- Ethyl 4-(3-nitrophenyl)-3-oxobutanoate (CAS 116904-71-3)
- 3-(3-Nitrophenyl)-1-phenylprop-2-yn-1-one (CAS 129972-90-3)
- Ethyl 4-(4-nitrophenyl)-4-oxobutyrate (CAS 15118-70-4)
- 1-(3-Nitrophenyl)-3-phenylprop-2-yn-1-one (CAS 16616-39-0)
- 1-(4-Nitrophenyl)-3-phenylprop-2-yn-1-one (CAS 3672-66-0)
- 2-(2-Nitrophenyl)quinazoline (CAS 92151-67-2)
- 2-(3-Nitrophenyl)quinoxaline (CAS 5021-44-3)
- 2-(4-Nitrophenyl)quinazoline (CAS 80089-57-2)
Recommended Standards
- Ethyl (E)-2-(2-(2-nitrophenyl)hydrazono)propanoate (CAS 154422-48-7)
- 5-(2-Amino-6-oxo-1H-purin-9(6H)-yl)pentanoic acid (CAS 149298-99-7)
- 2-(4-Fluoro-3-(trifluoromethyl)phenyl)thiazolidine 1553233-37-6 (CAS 1553233-37-6)
- 4-(2-(4-Nitro-1-oxy-pyridin-3-yl)-vinyl)-morpholine (CAS 148760-46-7)
- (6-Chloro-5-cyclopropoxypyridin-2-yl)methanamine (CAS 1243410-83-4)
- 1-Chloro-3-(prop-2-en-1-yloxy)benzene (CAS 24824-86-0)
- 2-Phenyl-2-(piperazin-1-yl)acetic acid (CAS 328269-46-1)
- 4-((4-Chlorophenyl)sulfonamido)butanoic acid (CAS 36974-66-0)
- 4-(4-Amino-2-fluorophenyl)-1-methylpiperazin-2-one (CAS 194350-90-8)
- 3-Bromo-benzofuran-5-carbaldehyde (CAS 578028-25-8)
- 5-[(2,5-dichlorophenyl)methyl]-1,3-thiazol-2-amine (CAS 405921-35-9)
- 1-((Imidazo[1,2-b]pyridazin-6-ylamino)methyl)cyclohexan-1-ol (CAS 1797961-73-9)
- (2-Chloropyrimidin-4-yl)methanamine (CAS 181363-10-0)
- Semaglutide impurity 68 (CAS CATO-C4X-222668)
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