1-(Bromomethyl)-3,4-dichloro-1H-pyrrole-2,5-dione CAS 16176-11-7
| CAS No. | 16176-11-7 |
| Molecular Formula | C5H2BrCl2NO2 |
| Molecular Weight | 258.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H2BrCl2NO2, 1-(Bromomethyl)-3,4-dichloro-1H-pyrrole-2,5-dione contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.88 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 1-(Bromomethyl)-3,4-dichloro-1H-pyrrole-2,5-dione (CAS 16176-11-7), a certified reference material (molecular formula C5H2BrCl2NO2, MW 258.88 g/mol) for analytical method development and quality control.
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 1-(Bromomethyl)-3,4-dichloro-1H-pyrrole-2,5-dione 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 | C5H2BrCl2NO2 |
| Molecular Weight | 258.88 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-Bromo-5-(hydrazinecarbonyl)phenylboronic acid (CAS 2096335-93-0)
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- 2-Bromo-3,5-dichloro-4-fluoroaniline (CAS 1092350-32-7)
- tert-butyl 3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)-3,6-diazabicyclo[3.1.1]heptane-6-carboxylate (CAS CATO-C3D-262140)
- 2-(2-bromoethyl)-2H-Naphth[1,8-cd]isothiazole,1,1-dioxide (CAS 131729-17-4)
- 15-keto Limaprost (CAS CATO-C4X-21453)
- (S)-1-(2,3-Difluoro-4-methylphenyl)ethanamine hydrochloride (CAS 1217467-70-3)
- 2-(Bromomethyl)-6-chloro-3-cyano-5-(difluoromethyl)pyridine (CAS 1805360-93-3)
- 4-(1,4-Diazepan-1-yl)furo[3,2-c]pyridine (CAS 845885-87-2)
- 4-(4-((Tert-butyldimethylsilyl)oxy)phenyl)-2-methylnicotinonitrile (CAS 881423-32-1)
- 4-(Benzyloxy)-2-bromo-5-methoxybenzaldehyde (CAS 40705-22-4)
- (2E,13Z)-Octadecadien-1-ol (CAS 123551-47-3)
- (Des-Bromo)-Neuropeptide B (1-23) (human) (CAS 434897-64-0)
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