1-[difluoro(4-nitrophenyl)methyl]-4-nitrobenzene CAS 339-24-2
| CAS No. | 339-24-2 |
| Molecular Formula | C13H8F2N2O4 |
| Molecular Weight | 294.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-[difluoro(4-nitrophenyl)methyl]-4-nitrobenzene (CAS 339-24-2), molecular formula C13H8F2N2O4 and molecular weight 294.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H8F2N2O4, 1-[difluoro(4-nitrophenyl)methyl]-4-nitrobenzene contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 294.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 1-[difluoro(4-nitrophenyl)methyl]-4-nitrobenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H8F2N2O4 |
| Molecular Weight | 294.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related difluoro Standards
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- (4,4-Difluoro-1-(6-(trifluoromethyl)pyridin-3-yl)cyclohexyl)methanamine (CAS 1598430-07-9)
- 2-(7,7-Difluoro-5,6,7,8-tetrahydronaphthalen-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2892528-59-3)
- 2-[2,2-Difluoro-1-(MEM)ethenyl]-boronic acid pinacol ester (CAS 1272412-65-3)
- 4,6-Difluoro-N-[3-(1H-imidazol-1-yl)propyl]-1,3-benzothiazol-2-amine (CAS 1177275-05-6)
- 2,4-Difluoro-N-[(E)-2-[6-methyl-3-(methylsulfanyl)-1,2,4-triazin-5-yl]ethenyl]aniline (CAS 306980-25-6)
- 4''-Ethyl-2',4-difluoro-1,1':4',1''-terphenyl (CAS 132054-44-5)
Recommended Standards
- Thalidomide-5,6-F (CAS 1496997-41-1)
- 2-(2,6-Dioxopiperidin-3-yl)-4,5-difluoroisoindoline-1,3-dione (CAS 2222115-19-5)
- 2-(3-(Difluoromethoxy)-4-nitrobenzoyl)pyridine (CAS 1261883-78-6)
- 2-(2,6-Dioxopiperidin-3-yl)-4,6-difluoroisoindoline-1,3-dione (CAS 2713422-06-9)
- N-(4-acetylphenyl)-2-(4-chlorophenoxy)acetamide (CAS 303992-57-6)
- 1,4-Oxathiane 4-oxide (CAS 109-03-5)
- 1-Ethyl-5-methyl-1H-pyrazol-4-amine hydrochloride (CAS 1185300-50-8)
- Isepamicin Impurity 7 (CAS CATO-C4X-31117)
- N-Benzyl-4-bromo-2-methoxybenzamide (CAS 330793-41-4)
- 4-((Tetrahydrothiophen-3-yl)amino)pentan-1-ol (CAS 1504887-57-3)
- 2-Chloro-5-(5-isopropylbenzo[d]oxazol-2-yl)aniline (CAS 443292-38-4)
- β-D-Tagatopyranose (CAS 20197-42-6)
- 3-Cyclopropoxy-4-iodo-2-(trifluoromethyl)pyridine (CAS 1243448-82-9)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
Why CATO?
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