5-Chloro-4-oxopentanoic acid CAS 60254-71-9
| CAS No. | 60254-71-9 |
| Molecular Formula | C5H7ClO3 |
| Molecular Weight | 150.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 150.56 g/mol gives 5-Chloro-4-oxopentanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chloro-4-oxopentanoic acid (CAS 60254-71-9), molecular formula C5H7ClO3 and molecular weight 150.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7ClO3, 5-Chloro-4-oxopentanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 150.56 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.
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), 5-Chloro-4-oxopentanoic 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 | C5H7ClO3 |
| Molecular Weight | 150.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 4-(4-(Allyloxy)benzoyl)-3-hydroxy-1-(2-methoxyethyl)-5-phenyl-1H-pyrrol-2(5H)-one (CAS 618077-30-8)
- Propofol Impurity 27 (CAS 20170-32-5)
- Bis(m-PEG4)-N-OH (CAS 2182601-79-0)
- 4-(1,2,4-Oxadiazol-3-yl)tetrahydro-2h-pyran-4-amine (CAS 1155103-86-8)
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