[(3Z)-1-[(2,4-Dichlorophenyl)methyl]-5-nitro-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate CAS 303998-05-2
| CAS No. | 303998-05-2 |
| Molecular Formula | C20H17Cl2N3O5 |
| Molecular Weight | 450.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, [(3Z)-1-[(2,4-Dichlorophenyl)methyl]-5-nitro-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 450.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
[(3Z)-1-[(2,4-Dichlorophenyl)methyl]-5-nitro-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 3-methylbutanoate (CAS 303998-05-2) is a high-purity analytical reference standard with the molecular formula C20H17Cl2N3O5 and a molecular weight of 450.27 g/mol.
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 [(3Z)-1-[(2,4-Dichlorophenyl)methyl]-5-nitro-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.
Physical & Chemical Properties
| Molecular Formula | C20H17Cl2N3O5 |
| Molecular Weight | 450.27 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Z Standards
- [(3Z)-1-[(2,4-Dichlorophenyl)methyl]-5-nitro-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 303998-06-3)
- N-(3-(3,4-dichlorophenyl)imidazo[1,2-a]pyridin-8-yl)-3-(trifluoromethyl)benzamide (CAS 338415-25-1)
- 2-[(2,6-Dichlorophenyl)sulfanyl]-3-[3-(trifluoromethyl)phenyl]quinoline (CAS 339103-26-3)
- 2-(2,4-Dichlorophenyl)-2-oxoethyl 2-(p-tolyl)quinoline-4-carboxylate (CAS 355433-08-8)
- 2-(2,4-Dichlorophenyl)-2-oxoethyl 8-methyl-2-phenylquinoline-4-carboxylate (CAS 355433-09-9)
- 3-(3,5-dichlorophenyl)-5-{[2-nitro-4-(trifluoromethyl)phenyl]thio}-4H-1,2,4-triazol-4-amine (CAS 300541-57-5)
- 3-(2,6-Dichlorophenyl)-5-{1-[4-(trifluoromethyl)phenyl]-1H-1,2,3-triazol-4-yl}-1,2-oxazole-4-carbonitrile (CAS 900019-76-3)
- 4-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-6-phenoxy-2H,3H-thieno[3,2-c]quinoline (CAS 866133-77-9)
Recommended Standards
- tert-Butyl 5,7-dichloro-6-(((trifluoromethyl)sulfonyl)oxy)-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 851784-78-6)
- Ethyl 2-amino-1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-4-(3-chlorothiophen-2-yl)-1H-pyrrole-3-carboxylate (CAS 341966-09-4)
- 1-(4-Bromobenzenesulfonyl)-4-[5-(trifluoromethyl)pyridin-2-yl]piperazine (CAS 478077-46-2)
- 2,4-bis(trifluoromethyl)-9-[3-(trifluoromethyl)phenyl][1,2,4]triazolo[4,3-a][1,8]naphthyridine (CAS 338962-21-3)
- 2-(2-Chloro-4-methoxyphenoxy)-1,3-difluoro-5-(trifluoromethyl)benzene (CAS 2244084-86-2)
- 1-(3-Thienyl)ethanamine (CAS 118488-08-7)
- 4-[(3-Chloro[1,1-biphenyl]-4-yl)oxy]piperidinehydrochloride (CAS 1220019-67-9)
- ((2R,3S)-2-((Benzyloxy)methyl)tetrahydrofuran-3-yl)methanol (CAS 2861908-73-6)
- n-(1-Cyclohexyl-1h-pyrazol-3-yl)methanesulfonamide (CAS 1342011-91-9)
- (3-Bromo-4-(trifluoromethyl)phenyl)methanol (CAS 372120-54-2)
- n-(Piperidin-4-yl)-4-(trifluoromethyl)pyrimidin-2-amine dihydrochloride (CAS 951004-19-6)
- 3-(Propylsulfonyl)propanoic acid (CAS 99116-16-2)
- 1-Cyclopropyl-2-(phenylthio)ethan-1-one (CAS 340169-26-8)
- D-Ala28-Tirzepatide (CAS CATO-CPTD788906)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com