2-((4-Butylphenyl)amino)-3-chloronaphthalene-1,4-dione CAS 179115-42-5
| CAS No. | 179115-42-5 |
| Molecular Formula | C20H18ClNO2 |
| Molecular Weight | 339.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((4-Butylphenyl)amino)-3-chloronaphthalene-1,4-dione (CAS 179115-42-5) is a high-purity analytical reference standard with the molecular formula C20H18ClNO2 and a molecular weight of 339.82 g/mol.
The molecular framework of 2-((4-Butylphenyl)amino)-3-chloronaphthalene-1,4-dione (C20H18ClNO2) 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 its high hydrophobicity (logP), 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.
CATO manufactures 2-((4-Butylphenyl)amino)-3-chloronaphthalene-1,4-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 | C20H18ClNO2 |
| Molecular Weight | 339.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Butylphenyl Standards
- 2-[(4-tert-Butylphenyl)amino]-3-chloro-1,4-dihydronaphthalene-1,4-dione (CAS 179115-43-6)
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- 4-(4-tert-Butylphenyl)-4-oxo-2-{[(pyridin-3-yl)methyl]amino}butanoic acid (CAS 1022943-75-4)
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Recommended Standards
- 5-Chloro-6-ethyl-N-(3-phenoxybenzyl)pyrimidin-4-amine (CAS 140454-81-5)
- 2,4-Bis(benzyloxy)-6-(chloromethyl)pyridine (CAS 1393555-34-4)
- (3-(6-Chloropyridazin-3-yl)-1H-indol-1-yl)(cyclohexyl)methanone (CAS 439093-77-3)
- tert-Butyl 4-(2-chloronicotinoyl)-3-methylpiperazine-1-carboxylate (CAS 1353980-43-4)
- tert-butyl 4-oxo-3-(2,2,2-trifluoroacetyl)piperidine-1-carboxylate (CAS 733757-79-4)
- Ethyl 2-amino-6-nitrobenzoate (CAS 115156-25-7)
- Ethyl 2-pyrrolidin-3-ylacetate (CAS 756818-49-2)
- 6-(Aminomethyl)-5-cyclopropoxypicolinamide (CAS 1243469-76-2)
- 3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 848953-05-9)
- 3-(2,6-Dimethoxyphenyl)isoxazol-5-ol (CAS 1354925-26-0)
- Methyl 3-(3-chloro-2,2-dimethylpropanamido)thiophene-2-carboxylate (CAS 339100-27-5)
- 3-(6-(Thiophen-2-yl)imidazo[2,1-b]thiazol-3-yl)propanoic acid (CAS 1040631-73-9)
- Ethyl 2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetate (CAS 4113-98-8)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
Why CATO?
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