6-(4-Chlorophenyl)-2-hydroxy-6-oxohex-4-enoic acid CAS 91254-63-6
| CAS No. | 91254-63-6 |
| Molecular Formula | C12H11ClO4 |
| Molecular Weight | 254.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-(4-Chlorophenyl)-2-hydroxy-6-oxohex-4-enoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-(4-Chlorophenyl)-2-hydroxy-6-oxohex-4-enoic acid (CAS 91254-63-6), molecular formula C12H11ClO4 and molecular weight 254.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H11ClO4, 6-(4-Chlorophenyl)-2-hydroxy-6-oxohex-4-enoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 254.67 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6-(4-Chlorophenyl)-2-hydroxy-6-oxohex-4-enoic acid 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 | C12H11ClO4 |
| Molecular Weight | 254.67 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 chloroform, dichloromethane, ethyl acetate, 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.) | 1983 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 6-(4-Chlorophenyl)-4,6-dioxohexanoic acid (CAS 111881-78-8)
- 2-(3-Chlorophenyl)benzo[d]oxazole-5-carbonitrile (CAS 1706454-22-9)
- 1-(4-Chlorophenyl)-4-(hydroxymethyl)-4-methylpyrazolidine-3,5-dione (CAS 91222-19-4)
- 3-(2-Chlorophenyl)-5-isopropoxy-1,3,4-oxadiazol-2(3H)-one (CAS 62482-22-8)
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Recommended Standards
- 5-Oxopyrrolidin-3-yl (4-chlorophenyl)carbamate (CAS 88015-88-7)
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- Benzyl (3-chloro-4,5-dihydroisoxazol-4-yl)carbamate (CAS 445221-90-9)
- Trans-9-Octadecenol (CAS 506-42-3)
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- 5-Methyl-2H,3H-[1,2,4]triazolo-[3,4-b][1,3]thiazol-3-one (CAS 64040-59-1)
- Fmoc-PEG4-Ala-Ala-Asn-PAB (CAS 2055048-57-0)
- 2-Fluoro-5-isopropoxybenzaldehyde (CAS 219939-06-7)
- N-(2-fluoro-5-sulfamoylphenyl)acetamide (CAS 1308184-49-7)
- tert-butyl 3-{[2-(tert-butoxy)-2-oxoethyl]amino}pyrrolidine-1-carboxylate (CAS 1501682-04-7)
- 2-Bromo-4-methoxy-1-vinylbenzene (CAS 153967-97-6)
- N-(2-Methoxyethyl)benzene-1,4-diamine DiHCl (CAS 72584-59-9)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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