Dimethyl2-(2-chloro-4-nitrophenyl)malonate CAS 73088-10-5
| CAS No. | 73088-10-5 |
| Molecular Formula | C11H10ClNO6 |
| Molecular Weight | 287.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Dimethyl2-(2-chloro-4-nitrophenyl)malonate 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.
Dimethyl2-(2-chloro-4-nitrophenyl)malonate (CAS 73088-10-5), molecular formula C11H10ClNO6 and molecular weight 287.65 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H10ClNO6, Dimethyl2-(2-chloro-4-nitrophenyl)malonate 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 287.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C11H10ClNO6 |
| Molecular Weight | 287.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- Dimethyl 2-(4-chloro-2-nitrophenyl)malonate (CAS 147124-32-1)
- Dimethyl 2-(2-chloro-6-nitrophenyl)malonate (CAS 147124-36-5)
- Dimethyl-2-(4-chloro-2-nitrophenyl)malonate-D6 (CAS CATO-C3D-262805)
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Recommended Standards
- 6-Chloro-1-nitroanthracene-9,10-dione (CAS 54946-56-4)
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- 2-Chloro-3-nitroanthracene-9,10-dione (CAS 35322-95-3)
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- 6-Methylpyrimidine-4,5-diamine hydrochloride (CAS 1797132-20-7)
- 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-6-phenyl-2,3,4,5-tetrahydropyridazin-3-one (CAS 338397-48-1)
- 5-Bromo-4-(chlorosulfonyl)furan-2-carboxylic acid (CAS 1016505-47-7)
- Levofloxacin Impurity 34 (CAS 108224-82-4)
- 5-Bromo-3-(N,N-dimethylaminocarbonyl)phenylboronic acid (CAS 2121513-19-5)
- Formic Acid-OD (95% w/w in D2O) (CAS 925-94-0)
- 6-Methylbenzo[c][1,2,5]oxadiazol-5-ol (CAS 55730-22-8)
- Cyclolinopeptide B (CAS 193139-41-2)
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