(E)-5-(5-((1-(4-Ethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)methyl)furan-2-yl)isoindoline-1,3-dione CAS 5846-96-8
| CAS No. | 5846-96-8 |
| Molecular Formula | C25H19N3O4 |
| Molecular Weight | 425.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 425.44 g/mol gives (E)-5-(5-((1-(4-Ethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)methyl)furan-2-yl)isoindoline-1,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-5-(5-((1-(4-Ethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)methyl)furan-2-yl)isoindoline-1,3-dione (CAS 5846-96-8), molecular formula C25H19N3O4 and molecular weight 425.44 g/mol, is a CATO reference standard with documented purity and traceability.
(E)-5-(5-((1-(4-Ethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)methyl)furan-2-yl)isoindoline-1,3-dione (C25H19N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 (E)-5-(5-((1-(4-Ethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)methyl)furan-2-yl)isoindoline-1,3-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 | C25H19N3O4 |
| Molecular Weight | 425.44 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
Related E Standards
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Recommended Standards
- (2R,3R,4S,5R)-2-(6-(Ethylamino)-2-(3-hydroxy-3-phenylprop-1-yn-1-yl)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 445430-24-0)
- 7-Bromo-3-(2-((triisopropylsilyl)oxy)ethyl)cinnolin-4(1H)-one (CAS 2765160-34-5)
- 2-[4-(5-Ethyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]-N-(2-methoxyphenyl)acetamide (CAS 1775541-81-5)
- CDK 1/2 Inhibitor III (CAS 443798-55-8)
- Butyl 5-[2-(methoxycarbonyl)thiophen-3-yl]furan-2-carboxylate (CAS 477851-83-5)
- 8-(Trifluoromethyl)quinoxalin-2-ol (CAS 1823943-72-1)
- 3-Cyclopropyl-1-isopropyl-1H-pyrazol-5-amine (CAS 1462952-68-6)
- (R)-1-(3-Fluoro-4-methylphenyl)ethan-1-ol (CAS 1344955-38-9)
- Fudosteine Impurity 63 (CAS CATO-C4X-144763)
- 2-{N-[5-(benzyloxy)-2,4-dichlorophenyl]4-methylbenzenesulfonamido}-N-[3-(trifluoromethyl)phenyl]acetamide (CAS 338961-87-8)
- 4-Amino-1-(tert-butoxycarbonyl)pyrrolidine-3-carboxylic acid (CAS 492461-79-7)
- Butyl[(4-chlorophenyl)methyl]amine (CAS 16183-32-7)
- 4-Bromo-2,5-dichloropyrimidine (CAS 1401466-33-8)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
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