2-(3,5-Dichlorophenyl)malonic acid CAS 1443412-41-6
| CAS No. | 1443412-41-6 |
| Molecular Formula | C9H6Cl2O4 |
| Molecular Weight | 249.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3,5-Dichlorophenyl)malonic acid (C9H6Cl2O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
2-(3,5-Dichlorophenyl)malonic acid (CAS 1443412-41-6), molecular formula C9H6Cl2O4 and molecular weight 249.05 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(3,5-Dichlorophenyl)malonic acid 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 | C9H6Cl2O4 |
| Molecular Weight | 249.05 g/mol |
| Appearance | Off-white to pale 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
Related Dichlorophenyl Standards
- [N’-(2,4-dichlorophenyl)hydrazinecarbonyl]formic acid (CAS 1210220-80-6)
- [2-(2,4-dichlorophenyl)-1,3-dioxolan-2-yl]methanol (CAS 112805-91-1)
- Methyl 2-(3,4-Dichlorophenyl)-3-hydroxypropionate (CAS 1254365-79-1)
- Ethyl 3-(3,4-Dichlorophenyl)carbazate (CAS 13124-15-7)
- Methyl 3-(2,6-dichlorophenyl)-2-hydroxypropanoate (CAS 1491449-22-9)
- Methyl 3-(2,4-dichlorophenyl)-2-hydroxypropanoate (CAS 875018-66-9)
- 5-(3,5-Dichlorophenyl)nicotinonitrile (CAS 1346692-01-0)
- (Z)-3-(2,6-Dichlorophenyl)-2-mercaptoacrylic acid (CAS 1420987-77-4)
Recommended Standards
- 1-bromo-1,1-difluoro-3-phenylpropan-2-one (CAS 1432681-83-8)
- N-Ethyl-5-iodopyrimidin-4-amine (CAS 1522728-80-8)
- 3-Iodo-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine (CAS 1393545-49-7)
- 2-Bromo-1-(2,4-difluoro-5-methylphenyl)ethan-1-one (CAS 1531526-22-3)
- Methyltris(perfluorophenyl)silane (CAS 18920-98-4)
- 7-Bromo-4-(2-(cyclohex-1-en-1-yl)ethyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one (CAS 1326898-15-0)
- 3122-87-0 4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl- 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl-4H-1-benzopyran-4-one (CAS 3122-87-0)
- tert-Butyl ((6-bromo-4-formylpyridin-2-yl)methyl)carbamate (CAS 1393568-38-1)
- 3-iodo-2-methoxy-5-methyl-1,6-naphthyridine (CAS 1407532-84-6)
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