3-((3-Chloro-4-hydroxyphenyl)amino)-4-(2-nitrophenyl)-1H-pyrrole-2,5-dione CAS 264218-23-7
| CAS No. | 264218-23-7 |
| Molecular Formula | C16H10ClN3O5 |
| Molecular Weight | 359.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 359.72 g/mol gives 3-((3-Chloro-4-hydroxyphenyl)amino)-4-(2-nitrophenyl)-1H-pyrrole-2,5-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-((3-Chloro-4-hydroxyphenyl)amino)-4-(2-nitrophenyl)-1H-pyrrole-2,5-dione (CAS 264218-23-7), a certified reference material (molecular formula C16H10ClN3O5, MW 359.72 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 3-((3-Chloro-4-hydroxyphenyl)amino)-4-(2-nitrophenyl)-1H-pyrrole-2,5-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 359.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C16H10ClN3O5 |
| Molecular Weight | 359.72 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 2-Chloro-6-(2-(2,5-dimethoxybenzylidene)hydrazinyl)-4-(trifluoromethyl)pyridine (CAS 1431559-91-9)
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- 3-(2-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}phenoxy)-2-butanone (CAS 339014-71-0)
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- 2-({[4-chloro-2-(trifluoromethyl)phenyl]carbamoyl}methanesulfonyl)acetic acid (CAS 344275-38-3)
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Recommended Standards
- 2-Amino-4-(4-chloro-3-nitrophenyl)-7-methyl-5-oxo-4H,5H-pyrano[3,2-c]pyran-3-carbonitrile (CAS 309926-41-8)
- Methoxychlor D14 (bis(4-methoxyphenyl D7)) (CAS 1644449-82-0)
- 1-(4-Chlorophenyl)-3-((2,4-dichlorobenzyl)thio)propan-1-one (CAS 320422-68-2)
- (2E)-N-(3-Chloro-4-fluorophenyl)-3-[4-(trifluoromethoxy)phenyl]prop-2-enamide (CAS 882082-57-7)
- 3-(2,5-Dimethoxyphenyl)-6-piperazin-1-ylpyridazine (CAS 1338671-24-1)
- Isopropyl 3-chloro-5-methoxy-6-methylbenzo[b]thiophene-2-carboxylate (CAS 1056047-21-2)
- Rel-methyl (E)-2-((3S,6'R,7'S,8a'S)-6'-ethyl-2-oxo-2',3',6',7',8',8a'-hexahydro-5'H-spiro[indoline-3,1'-indolizin]-7'-yl)-3-methoxyacrylate (CAS 39032-62-7)
- Ethyl 2-ethyl-1,6-dioxaspiro[2.6]nonane-2-carboxylate (CAS 1544847-49-5)
- Trifenmorph (CAS 1420-06-0)
- 2-(5-Chloro-1H-indol-3-yl)acetic acid (CAS 1912-45-4)
- 4-Chloro-8-(6-methoxy-2-methylpyridin-3-yl)-2,7-dimethylpyrazolo[1,5-a][1,3,5]triazine (CAS 459856-19-0)
- Thalidomide (CAS 50-35-1)
- 2-(3-Oxobutanamido)benzoic acid (CAS 35354-86-0)
- RGD-targeted Proapoptotic Peptide trifluoroacetate salt (CAS 2243207-09-0)
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