1-(5-Bromopentyl)pyrrolidine-2,5-dione CAS 3344-78-3
| CAS No. | 3344-78-3 |
| Molecular Formula | C9H14BrNO2 |
| Molecular Weight | 248.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(5-Bromopentyl)pyrrolidine-2,5-dione 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.
1-(5-Bromopentyl)pyrrolidine-2,5-dione (CAS 3344-78-3) is a high-purity analytical reference standard with the molecular formula C9H14BrNO2 and a molecular weight of 248.12 g/mol.
Based on its molecular formula C9H14BrNO2, 1-(5-Bromopentyl)pyrrolidine-2,5-dione contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.12 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.
Physical & Chemical Properties
| Molecular Formula | C9H14BrNO2 |
| Molecular Weight | 248.12 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromopentyl Standards
- 2-((5-Bromopentyl)oxy)tetrahydro-2H-pyran (CAS 37935-47-0)
- ((4-Bromopentyl)oxy)benzene (CAS 861374-33-6)
- 1-(3-Bromopentyl)-2-methylbenzene (CAS 858006-47-0)
- 1-(5-Bromopentyl)-4-methoxybenzene (CAS 14469-84-2)
- 1-((5-Bromopentyl)oxy)-3-methylbenzene (CAS 92849-03-1)
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- 3-(5-Bromopentyl)thiophene (CAS 125878-90-2)
Recommended Standards
- 9-Bromo-2,3-dihydro-1H-cyclopenta[b]quinoline (CAS 18528-77-3)
- 2-(3-Bromophenyl)-5-methylpyridine (CAS 872856-43-4)
- 2-(2-(Bromomethyl)phenyl)pyridine (CAS 184889-81-4)
- 2-(4-(Bromomethyl)phenyl)pyridine (CAS 52199-24-3)
- 4-(p-Tolyl)piperidine hydrochloride (CAS 67765-24-6)
- N,N'-(propane-1,3-diyl)bis(2-chloroacetamide) (CAS 22358-18-5)
- 4-Chloro-N-(2-(piperazin-1-yl)-1,2-dihydroacenaphthylen-1-yl)benzenesulfonamide (CAS 327102-17-0)
- Methyl 3-cyanobenzoate (CAS 13531-48-1)
- Tofacitinib Impurity 229 (CAS CATO-C4X-1079229)
- 6-(2,3-Dihydro-1,4-benzodioxin-6-yl)pyridazin-3-ol (CAS 54558-06-4)
- 3-Amino-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-2-butenoic Acid Methyl Ester (CAS 721958-73-2)
- 2-(p-Tolylthio)nicotinoyl chloride (CAS 175135-78-1)
- 4-((2,4-Dichlorophenyl)amino)-4-oxobutanoic acid (CAS 17722-66-6)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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