bis(4-Chloro-3-nitrophenyl)methanone CAS 7498-65-9
| CAS No. | 7498-65-9 |
| Molecular Formula | C13H6Cl2N2O5 |
| Molecular Weight | 341.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H6Cl2N2O5, bis(4-Chloro-3-nitrophenyl)methanone contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 341.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
bis(4-Chloro-3-nitrophenyl)methanone (CAS 7498-65-9) is a high-purity analytical reference standard with the molecular formula C13H6Cl2N2O5 and a molecular weight of 341.10 g/mol.
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), bis(4-Chloro-3-nitrophenyl)methanone 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 | C13H6Cl2N2O5 |
| Molecular Weight | 341.10 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 |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related bis Standards
- 1-Chloro-2-[(4-chlorophenyl)difluoromethyl]-4-(trifluoromethyl)benzene (CAS 95998-70-2)
- 4-Chloro-1-[2-(4-chloro-2-nitrophenyl)ethyl]-2-nitrobenzene (CAS 38262-67-8)
- 5-Chloro-N-(2-chloro-4-nitrophenyl)-2-methoxybenzamide (CAS 32060-31-4)
- 2-(2-Chloro-6-fluorophenyl)-4-(4-chlorophenyl)-4-oxobutanoic acid (CAS 344281-45-4)
- 3-Chloro-4-((2-chlorobenzyl)oxy)-5-ethoxybenzoic acid (CAS 713104-19-9)
- 3-Chloro-4-((4-chlorobenzyl)oxy)-5-ethoxybenzoic acid (CAS 938293-48-2)
- 2-Butyl-4-chloro-5-(1-(3-chlorophenyl)ethoxy)pyridazin-3(2H)-one (CAS 88094-74-0)
- 2-Chloro-6-(morpholinomethyl)-N-(2,4,4-trimethylpentan-2-yl)pyrimidin-4-amine (CAS 1365838-66-9)
Recommended Standards
- 4-Iodo-2-oxo-1-phenyl-1,2-dihydropyridine-3-carboxylic acid (CAS 913378-49-1)
- Ethyl 6-cyano-3-iodoimidazo[1,2-a]pyridine-2-carboxylate (CAS 885275-50-3)
- 4-bromo-2-formylphenyl 2,6-difluorobenzoate (CAS 646989-39-1)
- Ethyl 8-cyano-3-iodoimidazo[1,2-a]pyridine-2-carboxylate (CAS 885275-52-5)
- 4-Pyridoxic Acid-d3 (CAS 1435934-03-4)
- 3-Chloro-6-methoxypicolinonitrile (CAS 1261634-11-0)
- N1-(2-(4-Methoxyphenyl)quinolin-4-yl)-N2,N2-dimethylethane-1,2-diamine (CAS 133671-49-5)
- 1-(5-Chloro-2-methylphenyl)-4-(mesitylsulfonyl)piperazine (CAS 497060-66-9)
- Sitaxsentan (CAS 184036-34-8)
- Palladium(II) sulfate (CAS 13566-03-5)
- 1-[4-Amino-7-(3-hydroxypropyl)-5-(4-methylphenyl)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]-2-chloro-ethanone (CAS 821794-90-5)
- 3-(4-Benzhydrylpiperazin-1-yl)-2-(benzo[d]thiazol-2-yl)acrylonitrile (CAS 573931-86-9)
- 4H-1,2,4-oxadiazol-5-one (CAS 36193-60-9)
- Casein kinase II peptide Substrate (CAS 154444-98-1)
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