1-(2,5-Dimethoxyphenyl)-2-methyl-5-(4-(methylsulfonyl)phenyl)-1H-pyrrole-3-carbaldehyde CAS 478032-27-8
| CAS No. | 478032-27-8 |
| Molecular Formula | C21H21NO5S |
| Molecular Weight | 399.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H21NO5S, 1-(2,5-Dimethoxyphenyl)-2-methyl-5-(4-(methylsulfonyl)phenyl)-1H-pyrrole-3-carbaldehyde contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 399.46 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.
CATO supplies 1-(2,5-Dimethoxyphenyl)-2-methyl-5-(4-(methylsulfonyl)phenyl)-1H-pyrrole-3-carbaldehyde (CAS 478032-27-8), a certified reference material (molecular formula C21H21NO5S, MW 399.46 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-(2,5-Dimethoxyphenyl)-2-methyl-5-(4-(methylsulfonyl)phenyl)-1H-pyrrole-3-carbaldehyde 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 | C21H21NO5S |
| Molecular Weight | 399.46 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethoxyphenyl Standards
- 5-(3,4-Dimethoxyphenyl)-2-(piperidin-1-yl)-[1,3]thiazolo[4,5-b]pyridine-7-carboxylic acid (CAS 852388-76-2)
- Ethyl 2-{[5-(3,4-dimethoxyphenyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetate (CAS 91759-72-7)
- N-(2,4-Dimethoxyphenyl)-2-((1-(4-methoxyphenyl)-1H-imidazol-2-yl)thio)acetamide (CAS 688335-95-7)
- N-(2,4-Dimethoxyphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577981-98-7)
- N-(3,4-Dimethoxyphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 578734-69-7)
- N-(3,4-Dimethoxyphenyl)-2-((4-ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 587010-85-3)
- N-(3,4-Dimethoxyphenyl)-2-((4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618426-94-1)
- N-(3,5-Dimethoxyphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 585558-26-5)
Recommended Standards
- (S)-tert-Butyl 3-methyl-4-((2-nitrophenyl)sulfonyl)-1,4-diazepane-1-carboxylate (CAS 949109-36-8)
- 1-Boc-4-[4-(Methylsulfonyl)-2-nitrophenyl] piperidin-4-amine (CAS 849035-91-2)
- BMS 961 (CAS 185629-22-5)
- 2-((2-Cyano-3-methylbutan-2-yl)amino)-2-oxoethyl 3-(thiophene-2-carboxamido)benzoate (CAS 871554-62-0)
- 2-Amino-5-ethyl-1-pentyl-1H-pyrrole-3,4-dicarbonitrile (CAS 88745-15-7)
- 3,6-Dibromo-2-chloro-4-(difluoromethyl)pyridine (CAS 1805282-41-0)
- Ac-Leu-Glu-His-Asp-AFC trifluoroacetate salt (CAS 210345-03-2)
- 1,2,3,4-tetrahydroisoquinoline-4-carboxamide hydrochloride (CAS 2044837-92-3)
- (3-Bromo-4-((tetrahydro-2H-pyran-4-yl)methoxy)phenyl)methanamine (CAS 1408657-52-2)
- 1,2-Bis(2-methylundecan-2-yl)disulfane (CAS 27458-90-8)
- 3-Bromo-2-(difluoromethyl)-6-methylpyridin-4-amine (CAS 1806056-25-6)
- 4-Fluoro-3-hydroxybenzeneboronic acid pinacol ester, 97% (CAS 1392234-97-7)
- (R)-N-(4-(2-Chloro-1-hydroxyethyl)phenyl)-N-methylmethanesulfonamide (CAS 1176597-49-1)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
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