(E)-2-(2-(2-(2-(2,5-dimethoxybenzylidene)hydrazinyl)thiazol-4-yl)ethyl)isoindoline-1,3-dione CAS 861211-21-4
| CAS No. | 861211-21-4 |
| Molecular Formula | C22H20N4O4S |
| Molecular Weight | 436.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-2-(2-(2-(2-(2,5-dimethoxybenzylidene)hydrazinyl)thiazol-4-yl)ethyl)isoindoline-1,3-dione 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.
(E)-2-(2-(2-(2-(2,5-dimethoxybenzylidene)hydrazinyl)thiazol-4-yl)ethyl)isoindoline-1,3-dione (CAS 861211-21-4), molecular formula C22H20N4O4S and molecular weight 436.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-2-(2-(2-(2-(2,5-dimethoxybenzylidene)hydrazinyl)thiazol-4-yl)ethyl)isoindoline-1,3-dione (C22H20N4O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 436.48 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C22H20N4O4S |
| Molecular Weight | 436.48 g/mol |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related E Standards
- 5-(2,4-Dimethoxybenzylidene)-2-(4-isopropoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 618073-57-7)
- 5-(2,5-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 617694-41-4)
- 5-(3,4-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 538340-02-2)
- 4-(3,4-Dimethoxybenzylidene)-1-(2-methoxy-4-nitrophenyl)-2-methyl-1H-imidazol-5(4H)-one (CAS 78311-94-1)
- 3,4-Bis(3,4-dimethoxybenzylidene)dihydrofuran-2,5-dione (CAS 63339-53-7)
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- 2-(2,3-Dimethoxybenzylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 463366-94-1)
- 2-(2,5-Dimethoxybenzylidene)-6-phenyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 307506-42-9)
Recommended Standards
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- N,N-Diethyl-1,2-ethanediamine Dihydrochloride (CAS 52198-62-6)
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- 2-Chloro-5-iodopyridin-3-ol (CAS 477598-19-9)
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- 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole (CAS 2255-79-0)
- 1-Methanesulfonyl-3-methylpiperidin-4-amine (CAS 1228453-26-6)
- 5-Bromo-1-methyl-1H-pyrazolo[4,3-b]pyridine (CAS 2219366-71-7)
- H-Phe(4-Br)-OEt.HCl (CAS 232276-00-5)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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