4-Oxopent-2-enoyl chloride CAS 14300-75-5
| CAS No. | 14300-75-5 |
| Molecular Formula | C5H5ClO2 |
| Molecular Weight | 132.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H5ClO2, 4-Oxopent-2-enoyl chloride contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 132.55 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.
CATO supplies 4-Oxopent-2-enoyl chloride (CAS 14300-75-5), a certified reference material (molecular formula C5H5ClO2, MW 132.55 g/mol) for analytical method development and quality control.
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.
CATO manufactures 4-Oxopent-2-enoyl chloride 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 | C5H5ClO2 |
| Molecular Weight | 132.55 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
Related Oxopent Standards
- 3-Methyl-4-oxopent-2-enoic acid (CAS 53663-10-8)
- Methyl 3-oxopent-4-enoate (CAS 37734-05-7)
- Methyl 4-oxopent-2-enoate (CAS 4188-88-9)
- Ethyl 4-oxopent-2-ynoate (CAS 54966-49-3)
- 4-Oxopent-2-enedioic acid (CAS 6004-32-6)
- (Z)-4-Oxopent-2-enoic acid (CAS 2833-21-8)
- 4-Oxopent-2-Enoic Acid (CAS 4743-82-2)
- Ethyl (2-oxopent-4-en-1-yl)carbamate (CAS 1823371-59-0)
Recommended Standards
- 2-chlorocyclopentane-1,3-dione (CAS 14203-19-1)
- 1-(2-Chloroethyl)-1H-1,2,3,4-tetrazole (CAS 15284-27-2)
- (4-Chlorofuran-2-yl)methanol (CAS 1399652-62-0)
- 4-Chloro-3-methylisoxazol-5-amine (CAS 166964-09-6)
- 3-Methanesulfonylbenzohydrazide (CAS 953885-64-8)
- 1H-pyrazol-3-amine, 4-[(1,1-dimethylethyl)sulfonyl]- (CAS 1036033-16-5)
- 2,3-Dichloro-3-(3-fluorophenyl)propiophenone (CAS 898767-57-2)
- Tert-butyl 4-iodo-3-methylpiperidine-1-carboxylate (CAS 1086392-74-6)
- 3-Cyclopropoxy-5-fluoro-N-methylisonicotinamide (CAS 1243281-92-6)
- 2',3'-Dihydro-1'H-spiro[cyclopentane-1,4'-isoquinoline]-1'-carboxylic acid (CAS 2173991-56-3)
- 1-(Tert-butyl) 3-methyl (S)-5-oxopiperazine-1,3-dicarboxylate (CAS 1448348-02-4)
- 3-Sulfanylpyrazine-2-carboxylic acid (CAS 36931-81-4)
- 1-(2-Cyclopropyl-6-methylpyrimidin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1708013-75-5)
- Gastric Inhibitory Polypeptide (1-30) amide (porcine) (CAS 134846-93-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com