3-(4-Bromophenyl)-1H-pyrrole-2,5-dione CAS 21724-96-9
| CAS No. | 21724-96-9 |
| Molecular Formula | C10H6BrNO2 |
| Molecular Weight | 252.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(4-Bromophenyl)-1H-pyrrole-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.
CATO supplies 3-(4-Bromophenyl)-1H-pyrrole-2,5-dione (CAS 21724-96-9), a certified reference material (molecular formula C10H6BrNO2, MW 252.06 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H6BrNO2, 3-(4-Bromophenyl)-1H-pyrrole-2,5-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 252.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C10H6BrNO2 |
| Molecular Weight | 252.06 g/mol |
| Appearance | Pale yellow to 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromophenyl Standards
- 2-(4-Bromophenyl)oxazole-5-carbaldehyde (CAS 1206982-22-0)
- 1-(4-Bromophenyl)-1H-pyrrole-2,5-dione (CAS 13380-67-1)
- (4-Bromophenyl)(oxazol-2-yl)methanone (CAS 698355-80-5)
- (E)-3-(4-Bromophenyl)-2-cyanoacrylic acid (CAS 58177-54-1)
- 1-(2-Bromophenyl)-1H-pyrrole-2,5-dione (CAS 36817-47-7)
- 1-(3-Bromophenyl)-1H-pyrrole-2,5-dione (CAS 53534-14-8)
- 2-(2-Bromophenyl)oxazole-4-carbaldehyde (CAS 885274-34-0)
- 2-(3-Bromophenyl)oxazole-4-carbaldehyde (CAS 885273-03-0)
Recommended Standards
- 3-(3-Bromophenyl)isoxazole-5-carbaldehyde (CAS 869496-62-8)
- 3-(4-Bromophenyl)-2-cyanoacrylic acid (CAS 339548-64-0)
- 3-(2-Bromophenyl)isoxazole-5-carbaldehyde (CAS 869496-61-7)
- 3-(4-Bromophenyl)isoxazole-5-carbaldehyde (CAS 863391-64-4)
- 4-Isopropylbenzamide (CAS 619-76-1)
- 4-(4-Oxo-3,4-dihydrophthalazin-1-yl)benzoic acid (CAS 152567-94-7)
- Ethyl 1-ethyl-2-imino-5-oxo-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxylate (CAS 487024-26-0)
- 1-(4-Ethoxyphenyl)-3-(isopropylamino)pyrrolidine-2,5-dione (CAS 1095321-11-1)
- 4-Bromo-2,6-bis[(4S)-4,5-dihydro-4-phenyl-2-oxazolyl]-pyridine, 95% (CAS 1190936-03-8)
- 1-(Cyclopropylmethyl)-1h-indazol-6-amine (CAS 1155102-65-0)
- Benzyl 5-bromo-2-fluoropyridine-4-carboxylate (CAS 1993479-32-5)
- Ethyl 3-amino-1,6-dimethyl-4-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylate (CAS 1353877-98-1)
- 4-(2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)propanoyl)-1H-pyrrole-2-carboxamide (CAS 339099-59-1)
- Cholecystokinin Octapeptide (desulfated) (H-2070.0005) (CAS 198483-36-2)
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