1-((4-Ethoxy-3-methylphenyl)sulfonyl)-4-methyl-1H-imidazole CAS 833440-78-1
| CAS No. | 833440-78-1 |
| Molecular Formula | C13H16N2O3S |
| Molecular Weight | 280.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 1-((4-Ethoxy-3-methylphenyl)sulfonyl)-4-methyl-1H-imidazole (CAS 833440-78-1), a certified reference material (molecular formula C13H16N2O3S, MW 280.34 g/mol) for analytical method development and quality control.
Structurally, 1-((4-Ethoxy-3-methylphenyl)sulfonyl)-4-methyl-1H-imidazole (C13H16N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 280.34 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H16N2O3S |
| Molecular Weight | 280.34 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethoxy Standards
- 1-((2-Ethoxy-5-methylphenyl)sulfonyl)-2-methyl-1H-imidazole (CAS 791843-70-4)
- 1-((4-Ethoxy-3-methylphenyl)sulfonyl)-3-methyl-1H-pyrazole (CAS 956239-86-4)
- 4'-Ethoxy-2',3'-difluoro-4-propyl-2,3,4,5-tetrahydro-1,1'-biphenyl (CAS 1003218-25-4)
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- 2-Ethoxy-3-(p-tolyl)quinazolin-4(3H)-one (CAS 828273-80-9)
- 5-Ethoxy-2-(4-phenyl-1H-pyrazol-3-yl)phenol (CAS 394237-81-1)
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Recommended Standards
- 1-((5-Methoxy-2,4-dimethylphenyl)sulfonyl)-2-methyl-1H-imidazole (CAS 898639-90-2)
- 1-((5-Methoxy-2,4-dimethylphenyl)sulfonyl)-3-methyl-1H-pyrazole (CAS 957319-78-7)
- {1-methyl-2-[(3-methylphenyl)methanesulfonyl]-1H-imidazol-5-yl}methanol (CAS 338962-57-5)
- 1-(2-(2-Hydroxyethoxy)ethyl)-3-phenyl-2-thioxoimidazolidin-4-one (CAS 55036-71-0)
- (Z)-4-(Aminomethylene)-3-methylisoxazol-5(4H)-one (CAS 112548-74-0)
- Methyl 2-(3-oxoisoindolin-1-yl)acetate (CAS 28488-99-5)
- Methyl 2-(2-bromo-3-methylpyridin-4-yl)acetate (CAS 1804868-17-4)
- tert-Butyl 1,4-thiazepane-4-carboxylate 1-oxide (CAS 1880585-34-1)
- 2,6-Diamino-4-(1-methyl-1H-pyrrol-2-yl)-4H-thiopyran-3,5-dicarbonitrile (CAS 933838-32-5)
- 3-{3-cyano-5,7-dimethylpyrazolo[1,5-a]pyrimidin-6-yl}propanoic acid (CAS 900137-38-4)
- 3-(4-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)benzoyl)benzonitrile (CAS 898763-85-4)
- 3,3-Dimethyl-1-[4-(propan-2-yl)phenyl]azetidin-2-one (CAS 303986-04-1)
- 2-Bromo-3-fluoro-5-methylaniline (CAS 1805421-04-8)
- Peptide Impurity 70 TFA Salt (CAS CATO-CPTD788570)
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