4-(3-Chloro-4-hydroxyphenyl)-4-oxobutanoic acid CAS 56872-21-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56872-21-0 |
| Molecular Formula | C10H9ClO4 |
| Molecular Weight | 228.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Chloro-4-hydroxyphenyl)-4-oxobutanoic acid (CAS 56872-21-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H9ClO4. Molecular weight: 228.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H9ClO4 |
| Molecular Weight | 228.63 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 4-((5-Chloropyridin-2-yl)amino)-4-oxobutanoic acid (CAS 339005-94-6)
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- 3-Chloro-n-(3-nitrophenyl)propanamide (CAS 60284-53-9)
- 3-aminorhodanine (CAS 1438-16-0)
- 5-(3-Quinolinyl)-2-thiophenecarboxylic acid (CAS 893738-34-6)
- 2-Hydrazinyl-1-isopropyl-4,5-dihydro-1H-imidazole (CAS 747396-23-2)
- 1-(3-(1,1-Dioxidotetrahydrothiophen-3-yl)-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-1(2H)-yl)ethan-1-one (CAS 618403-06-8)
- 2-Ethyl-N-(4-oxo-1-phenyl-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)butanamide (CAS 899996-02-2)
- 5-(2-Chloro-6-fluorophenyl)-3-(chloromethyl)-1,2,4-oxadiazole (CAS 926206-64-6)
- Vialox Peptide(Pentapeptide-3) (CAS 135679-88-8)
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