173838-67-0 2-[4-(4-pyridin-3-ylimidazol-1-yl)butyl]isoindole-1,3-dione 2-[4-[4-(3-pyridinyl)-1-imidazolyl]butyl]isoindole-1,3-dione A811574 CAS 173838-67-0
| CAS No. | 173838-67-0 |
| Molecular Formula | C20H18N4O2 |
| Molecular Weight | 346.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 173838-67-0 2-[4-(4-pyridin-3-ylimidazol-1-yl)butyl]isoindole-1,3-dione 2-[4-[4-(3-pyridinyl)-1-imidazolyl]butyl]isoindole-1,3-dione A811574 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.
CATO supplies 173838-67-0 2-[4-(4-pyridin-3-ylimidazol-1-yl)butyl]isoindole-1,3-dione 2-[4-[4-(3-pyridinyl)-1-imidazolyl]butyl]isoindole-1,3-dione A811574 (CAS 173838-67-0), a certified reference material (molecular formula C20H18N4O2, MW 346.38 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H18N4O2, 173838-67-0 2-[4-(4-pyridin-3-ylimidazol-1-yl)butyl]isoindole-1,3-dione 2-[4-[4-(3-pyridinyl)-1-imidazolyl]butyl]isoindole-1,3-dione A811574 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 346.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 173838-67-0 2-[4-(4-pyridin-3-ylimidazol-1-yl)butyl]isoindole-1,3-dione 2-[4-[4-(3-pyridinyl)-1-imidazolyl]butyl]isoindole-1,3-dione A811574 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 | C20H18N4O2 |
| Molecular Weight | 346.38 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 3-(2-Aminocyclohexyl)propanoic acid (CAS 90950-13-3)
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- Cyclohexadeca-8-enone (Mixture of Isomers) (CAS 3100-36-5)
- 4-HydroxyÂdodecanoic acid (CAS 16899-07-3)
- 4-Bromo-N-(3-fluorobenzyl)-2-methylaniline (CAS 1019603-22-5)
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- 6-fluoro-3-iodo-5-nitro-1H-indazole (CAS 633333-51-4)
- 2-(3-Methoxyphenyl)-3-phenylpropanoic acid (CAS 3160-94-9)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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