4-Fluoro-3-nitrobenzyl Alcohol CAS 20274-69-5
| CAS No. | 20274-69-5 |
| Molecular Formula | C7H6FNO3 |
| Molecular Weight | 171.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Fluoro-3-nitrobenzyl Alcohol (CAS 20274-69-5), molecular formula C7H6FNO3 and molecular weight 171.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6FNO3, 4-Fluoro-3-nitrobenzyl Alcohol 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.
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.
As a certified reference material (CRM), 4-Fluoro-3-nitrobenzyl Alcohol 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 | 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.) | 1962 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluoro Standards
- (4-Fluoro-2-nitrophenyl)methanol (CAS 1043416-40-5)
- 6-Fluoro-4-methoxypicolinic acid (CAS 1060805-15-3)
- 6-Fluoro-4-methoxynicotinic acid (CAS 1060805-17-5)
- 2-Fluoro-6-methoxyisonicotinic Acid (CAS 1060806-66-7)
- 4-Fluoro-6-methoxynicotinic Acid (CAS 1060806-69-0)
- 4-Fluoro-2-methoxynicotinic Acid (CAS 1060806-71-4)
- (2-Fluoro-5-nitrophenyl)hydrazine (CAS 106133-89-5)
- 2-Fluoro-4-methyl-5-nitrophenol (CAS 110298-75-4)
Recommended Standards
- 4-Fluoro-1-methoxy-2-nitrobenzene (CAS 445-83-0)
- 5-Fluoro-2-methoxyisonicotinic Acid (CAS 884495-30-1)
- 4-Amino-5-fluoro-2-hydroxybenzoic acid (CAS 475150-68-6)
- 5-Fluoro-2-methoxynicotinic Acid (CAS 884494-82-0)
- Ethyl 2-amino-4-(trifluoromethyl)thiazole-5-carboxylate hydrochloride (CAS 31119-10-5)
- 1-(4-(5-Amino-3-methyl-1H-pyrazol-1-yl)piperidin-1-yl)ethan-1-one (CAS 1365988-13-1)
- anthracene-9-carbonyl chloride (CAS 16331-52-5)
- 6-Fluoro-5-nitropicolinonitrile (CAS 1807293-47-5)
- tert-Butyl 6-(2-methoxy-2-oxoethyl)-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 1823554-92-2)
- 1-(6-Chloro-4-pyrimidinyl)-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-methylurea (CAS 1802253-30-0)
- 2-Bromo-5-(difluoromethyl)thiazole (CAS 1785449-20-8)
- 4,6-Bis(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine (CAS 86789-15-3)
- (2-Chloropropanoyl)urea (CAS 24224-16-6)
- Peptide Impurity 28 (CAS 1350456-64-2)
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