2-{2-[(1E)-{[(2,4-dichlorophenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}-4-methoxypyridine-3-carbonitrile CAS 339103-15-0
| CAS No. | 339103-15-0 |
| Molecular Formula | C19H14Cl2N4O2 |
| Molecular Weight | 401.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-{2-[(1E)-{[(2,4-dichlorophenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}-4-methoxypyridine-3-carbonitrile (CAS 339103-15-0) is a high-purity analytical reference standard with the molecular formula C19H14Cl2N4O2 and a molecular weight of 401.25 g/mol.
The molecular framework of 2-{2-[(1E)-{[(2,4-dichlorophenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}-4-methoxypyridine-3-carbonitrile (C19H14Cl2N4O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 2-{2-[(1E)-{[(2,4-dichlorophenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}-4-methoxypyridine-3-carbonitrile 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.
Physical & Chemical Properties
| Molecular Formula | C19H14Cl2N4O2 |
| Molecular Weight | 401.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related E Standards
- 2-{2-[(1E)-{[(2,6-dichlorophenyl)methoxy]imino}methyl]-1H-pyrrol-1-yl}-4-methoxypyridine-3-carbonitrile (CAS 478262-34-9)
- 1-((2,4-Dichlorophenyl)sulfonyl)-4-(2-methoxyphenyl)piperazine (CAS 866153-17-5)
- 1-[(2,4-Dichlorophenyl)methyl]-4-(methylsulfanyl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 478042-78-3)
- 1-[(2,6-Dichlorophenyl)methyl]-4-(methylsulfanyl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 478042-77-2)
- 2-{[(2,6-dichlorophenyl)methyl]sulfanyl}-4-(methylamino)-6-phenylpyrimidine-5-carbonitrile (CAS 320422-46-6)
- 1-(3,4-Dichlorophenyl)-3-((perfluorophenyl)thio)propan-1-one (CAS 882749-39-5)
- 11-(2,6-Dichlorophenyl)-3,3,8-trimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024132-10-2)
- 1-(2,4-Dichlorophenyl)-5-(3,4-dichlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 477712-32-6)
Recommended Standards
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- 2-(Benzylthio)-4,5-diphenyl-1H-imidazole (CAS 50596-61-7)
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