4-Fluoro-1-methoxy-2-nitrobenzene CAS 445-83-0
| CAS No. | 445-83-0 |
| Molecular Formula | C7H6FNO3 |
| Molecular Weight | 171.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Fluoro-1-methoxy-2-nitrobenzene 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.
4-Fluoro-1-methoxy-2-nitrobenzene (CAS 445-83-0) is a high-purity analytical reference standard with the molecular formula C7H6FNO3 and a molecular weight of 171.13 g/mol.
Based on its molecular formula C7H6FNO3, 4-Fluoro-1-methoxy-2-nitrobenzene contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 171.13 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6FNO3 |
| Molecular Weight | 171.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Amino-5-fluoro-2-hydroxybenzoic acid (CAS 475150-68-6)
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- 5-Fluoro-2-methoxyisonicotinic Acid (CAS 884495-30-1)
- Ethyl 2-(4-(4-(benzo[d]oxazol-2-ylthio)butoxy)phenyl)acetate (CAS 116354-73-5)
- Ethyl 2,4-dimethyl-5-{[(4-methylbenzyl)amino]-methyl}-1H-pyrrole-3-carboxylate (CAS 1142210-48-7)
- tert-Butyl 8-oxo-6-azaspiro[3.5]nonane-6-carboxylate (CAS 2090734-62-4)
- 6-Bromo-2-methylhept-6-en-3-yn-2-ol (CAS 100379-06-4)
- 2-Amino-N-cyclobutylacetamide hydrochloride (CAS 2225146-50-7)
- 3-(4-Chlorophenyl)-3-phenylpropanoic acid (CAS 21998-30-1)
- N-(2-((3-Cyano-8-methylquinolin-2-yl)amino)ethyl)-2-methoxybenzamide (CAS 606105-14-0)
- 1-Phenylhexane-1,3-dione (CAS 5331-13-5)
- (6-((Methylamino)methyl)pyridin-2-yl)methanol (CAS 139909-46-9)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
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