(3,5-Dinitrophenyl)(4-(6-(phenylamino)pyridazin-3-yl)piperazin-1-yl)methanone CAS 898459-49-9
| CAS No. | 898459-49-9 |
| Molecular Formula | C21H19N7O5 |
| Molecular Weight | 449.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(3,5-Dinitrophenyl)(4-(6-(phenylamino)pyridazin-3-yl)piperazin-1-yl)methanone (CAS 898459-49-9), molecular formula C21H19N7O5 and molecular weight 449.42 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (3,5-Dinitrophenyl)(4-(6-(phenylamino)pyridazin-3-yl)piperazin-1-yl)methanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 449.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (3,5-Dinitrophenyl)(4-(6-(phenylamino)pyridazin-3-yl)piperazin-1-yl)methanone 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 | C21H19N7O5 |
| Molecular Weight | 449.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 7 |
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Recommended Standards
- ((2R,3S,4R,5R)-5-(6-Amino-2-(pentylthio)-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 58576-75-3)
- (E)-N-(3-(2-(2-(benzo[d][1,3]dioxol-5-yl)ethylidene)hydrazinyl)-1-(4-ethylphenyl)-3-oxopropyl)-2,2,2-trifluoroacetamide (CAS 866019-37-6)
- O-Desmethyl Pantoprazole O-Sulfate (CAS 1189856-53-8)
- 3-(3,4-Dimethylphenoxy)-7-hydroxy-8-(morpholinomethyl)-2-(trifluoromethyl)-4H-chromen-4-one (CAS 685861-28-3)
- 2,4-Dichloro-6-ethylthieno[2,3-d]pyrimidine (CAS 87478-74-8)
- Axitinib Impurity 17 (CAS 20054-45-9)
- 6,7-Dihydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid (CAS 84738-35-2)
- 5-Aminobenzothiazole (CAS 1123-93-9)
- 4-(P-tolyl)but-3-en-2-one (CAS 4023-84-1)
- 4'-(Aminomethyl)-[1,1'-biphenyl]-4-carboxylic acid hydrochloride (CAS 380228-55-7)
- (4-Benzylphenyl)methanol (CAS 35714-20-6)
- 1-(Pyridin-2-ylmethyl)piperidin-4-amine hydrochloride (CAS 252578-06-6)
- 3-Methyl-N-propylpiperidine-3-carboxamide (CAS 1340203-08-8)
- Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 75976-10-2)
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