[(3Z)-5-Chloro-1-[(2,6-dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate CAS 321430-07-3
| CAS No. | 321430-07-3 |
| Molecular Formula | C20H17Cl3N2O3 |
| Molecular Weight | 439.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures [(3Z)-5-Chloro-1-[(2,6-dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate 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.
[(3Z)-5-Chloro-1-[(2,6-dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 321430-07-3), molecular formula C20H17Cl3N2O3 and molecular weight 439.72 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H17Cl3N2O3, [(3Z)-5-Chloro-1-[(2,6-dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 439.72 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C20H17Cl3N2O3 |
| Molecular Weight | 439.72 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Z Standards
- [(3Z)-5-Chloro-1-[(3,4-dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 303998-57-4)
- [(3Z)-5-Chloro-1-[(3,4-dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 320420-74-4)
- 2-Chloro-5-iodo-3-methyl-7-((2-(trimethylsilyl)ethoxy)methyl)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one (CAS 2409579-66-2)
- 3-Chloro-2-(3-(((2,4-dichlorophenyl)thio)methyl)-1H-1,2,4-triazol-1-yl)-5-(trifluoromethyl)pyridine (CAS 338396-03-5)
- 4-Chloro-N-[(Z)-2-[4-(4-methoxyphenyl)-5-(trifluoromethyl)-4H-1,2,4-triazol-3-yl]-2-nitroethenyl]aniline (CAS 400079-84-7)
- 3-Chloro-N-((3-(1-(4-fluorophenyl)-1H-pyrazol-3-yl)-4,5-dihydroisoxazol-5-yl)methyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 318951-75-6)
- (4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)(2,6-dichloropyridin-3-yl)methanone (CAS 1023821-24-0)
- (4E)-4-[(3-Chloro-4-methoxyphenyl)methylidene]-2-(2-iodophenyl)-4,5-dihydro-1,3-oxazol-5-one (CAS 861211-36-1)
Recommended Standards
- 4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-24-2)
- 4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-34-1)
- Olaparib Impurity 107 (CAS CATO-C4X-1135107)
- 2-[(E)-2-[(3-Chlorophenyl)amino]ethenyl]-4-(2,6-dichlorophenyl)-6-methylpyridine-3,5-dicarbonitrile (CAS 303148-20-1)
- 2-Acetoxybenzoic-3,4,5,6-d4 Acid (CAS 97781-16-3)
- 4-Amino-1-methylimidazole-5-carbonitrile (CAS 40637-80-7)
- 2-Fluoro-6-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223043-31-8)
- Sodium difluoroheptylazidosulfinate (CAS 1450912-63-6)
- (3-Chloro-4-hydroxy-2-methylphenyl)boronic acid (CAS 2280987-26-8)
- 3-Chloro-2-fluoro-5-iodobenzaldehyde (CAS 2304494-65-1)
- Bis[(dicyclohexyl)(4-dimethylaminophenyl)phosphine] palladium(II) chloride (CAS 945375-77-9)
- N1-(p-tolyl)ethane-1,2-diamine (CAS 50622-50-9)
- 477241-93-3 Heart PE (CAS 477241-93-3)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com