2-Ethoxy-5-(3-methyl-ureido)-benzenesulfonyl chloride CAS 680618-13-7
| CAS No. | 680618-13-7 |
| Molecular Formula | C10H13ClN2O4S |
| Molecular Weight | 292.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 292.74 g/mol gives 2-Ethoxy-5-(3-methyl-ureido)-benzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Ethoxy-5-(3-methyl-ureido)-benzenesulfonyl chloride (CAS 680618-13-7) is a high-purity analytical reference standard with the molecular formula C10H13ClN2O4S and a molecular weight of 292.74 g/mol.
Based on its molecular formula C10H13ClN2O4S, 2-Ethoxy-5-(3-methyl-ureido)-benzenesulfonyl chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 292.74 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H13ClN2O4S |
| Molecular Weight | 292.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethoxy Standards
- 4-Ethoxy-3-(3-methylureido)benzenesulfonyl chloride (CAS 678186-10-2)
- 3-Ethoxy-5-(2,4,5-trichlorophenyl)-1H-1,2,4-triazole (CAS 62036-15-1)
- 2-Ethoxy-5-iodonicotinic acid (CAS 335078-07-4)
- 1-Ethoxy-4-((4-pentylphenyl)ethynyl)benzene (CAS 95480-29-8)
- 1-(4-(6-Ethoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)butan-1-one (CAS 946371-53-5)
- 2-(4-Ethoxy-3-nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1218791-20-8)
- 2-(3-Ethoxy-5-nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1350558-36-9)
- [4-(4-Ethoxy-phenyl)-2-methylamino-thiazol-5-yl]-acetic acid (CAS 1048922-37-7)
Recommended Standards
- 2-Chloro-N,N-diethyl-5-nitrobenzenesulfonamide (CAS 4750-91-8)
- 2-Phenyl-1H-1,3-benzodiazole-5-sulfonyl chloride (CAS 27503-82-8)
- 2-Chloro-6-((4-methoxyphenyl)thio)-1H-purine (CAS 646510-31-8)
- 3-((4-Chlorobenzyl)oxy)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 339008-56-9)
- Calcium-Sensing Receptor Antagonists I (CAS 478963-79-0)
- 1,6-Anhydro-3,4-O-isopropylidene-2-tosyl-β-D-galactopyranose (CAS 81028-98-0)
- 1-(2,3,5-Trichloro-6-hydroxyphenyl)propan-1-one (CAS 1250611-06-3)
- methyl trans-3-{[(tert-butoxy)carbonyl]amino}cyclopentane-1-carboxylate (CAS 862700-37-6)
- 1,5-Dioxaspiro[5.5]undecan-9-ol (CAS 76626-10-3)
- mPEG-COOH,97% average Mw1000 (CAS 67665-18-3)
- 2-Fluoro-5-(trifluoromethyl)benzoyl chloride 2-fluoro-5-trifluoromethylbenzoyl chloride 2-fluoro-5-trifluoromethylbenzoylchloride 2-fluoro-5-(trifluoromethyl)benzoylchloride 207981-46-2 (CAS 207981-46-2)
- 1,1,1-Trifluoro-N-[(11bR)-8,9,10,11,12,13,14,15-octahydro-2,6-di-2-naphthalenyl-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide (CAS 1261302-61-7)
- 1,3-Dimethoxy-5-fluorobenzene 1-Fluoro-3,5-dimethyltoxybenzene;5-Fluororesorcinol dimethyl ether;5-Fluoro-1,3-dimethoxybenzene 52189-63-6 A20684 (CAS 52189-63-6)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com