2-(2-((4-Ethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indol-1-ium acetate CAS 72252-43-8
| CAS No. | 72252-43-8 |
| Molecular Formula | C21H25N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(2-((4-Ethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indol-1-ium acetate is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(2-((4-Ethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indol-1-ium acetate (CAS 72252-43-8), molecular formula C21H25N2OC2H3O2 and molecular weight 380.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H25N2OC2H3O2, 2-(2-((4-Ethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indol-1-ium acetate contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 380.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(2-((4-Ethoxyphenyl)amino)vinyl)-1,3,3-trimethyl-3H-indol-1-ium acetate 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.
Physical & Chemical Properties
| Molecular Formula | C21H25N2O C2H3O2 |
| Molecular Weight | 380.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
Related Ethoxyphenyl Standards
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- 2-((4-Ethoxyphenyl)amino)acetohydrazide (CAS 100133-39-9)
- 1-(4-Ethoxyphenyl)-5-thioxopyrrolidin-2-one (CAS 100192-41-4)
- N-(4-Ethoxyphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine (CAS 100253-53-0)
- Ethyl 1-(3-ethoxyphenyl)-3-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 1003579-02-9)
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Recommended Standards
- 5-Bromo-4-chloro-1H-indol-3-yl oleate (CAS 341972-97-2)
- 2-(Diphenylphosphino)terephthalic acid (CAS 1537175-69-1)
- 4-Bromo-N-methylnaphthalene-1-carboxamide (CAS 1365272-43-0)
- 9-Bromo-6-ethyl-6H-indolo[2,3-b]quinoxaline (CAS 327061-50-7)
- Apixaban Impurity 55 (CAS 27143-09-5/132839-05-5)
- 5-((3AS,4S,6aR)-2-amino-3a,4,6,6a-tetrahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid (CAS 13486-43-6)
- tert-Butyl 4-iodo-3-methoxybenzoate (CAS 1202057-10-0)
- N-(2,6-Dimethylphenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 482660-87-7)
- 2,2,5,5-Tetramethylimidazolidine-4-thione (CAS 2582-16-3)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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