4-Chloro-2-pentenoyl Chloride CAS 84341-60-6
| CAS No. | 84341-60-6 |
| Molecular Formula | C5H6Cl2O |
| Molecular Weight | 153.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-Chloro-2-pentenoyl Chloride (CAS 84341-60-6), molecular formula C5H6Cl2O and molecular weight 153.01 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Chloro-2-pentenoyl Chloride (C5H6Cl2O) contains a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 153.01 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C5H6Cl2O |
| Molecular Weight | 153.01 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 | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 1-(2,2-dichlorocyclopropyl)ethan-1-one (CAS 61971-73-1)
- 1-(5-Methylfuran-2-yl)ethan-1-amine (CAS 64270-99-1)
- 2-[(Butylamino)methyl]-3,4-dihydroquinazolin-4-one (CAS 900640-72-4)
- 1-(Piperidin-4-yl)-1H-indazole (CAS 170438-69-4)
- 2-(2-Amino-4-(4-fluoro-3-methylphenyl)thiazol-5-yl)acetic acid (CAS 1181800-58-7)
- Prasugrel Impurity 17 (CAS 109904-25-8)
- tert-Butyl 4-(pyridin-3-ylcarbonyl)-piperazine-1-carboxylate (CAS 1071521-50-0)
- 5-Bromo-6-chloro-1H-pyrrolo[2,3-b]pyridine (CAS 1190321-59-5)
- methyl cis-3-formylcyclobutanecarboxylate (CAS 1410810-15-9)
- 10-(4-Chlorophenyl)-5,5-difluoro-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide (CAS 949108-68-3)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
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