4-Ethoxy-n-(2-hydroxyethyl)-3-methylbenzenesulfonamide CAS 838866-84-5
| CAS No. | 838866-84-5 |
| Molecular Formula | C11H17NO4S |
| Molecular Weight | 259.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Ethoxy-n-(2-hydroxyethyl)-3-methylbenzenesulfonamide (C11H17NO4S) 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 259.32 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-Ethoxy-n-(2-hydroxyethyl)-3-methylbenzenesulfonamide (CAS 838866-84-5), molecular formula C11H17NO4S and molecular weight 259.32 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H17NO4S |
| Molecular Weight | 259.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethoxy Standards
- 4-Ethoxy-N-(2-hydroxypropyl)benzenesulfonamide (CAS 1153437-06-9)
- 4-Ethoxy-n-(3-hydroxypropyl)benzenesulfonamide (CAS 915889-45-1)
- 2-Ethoxy-N-(2-(furan-3-yl)ethyl)benzamide (CAS 1428367-67-2)
- 4-Ethoxy-N-(2-(furan-3-yl)ethyl)benzamide (CAS 1428379-88-7)
- Ethyl 3-(3-ethoxy-3-oxopropanamido)-3-methylbutanoate (CAS 845267-63-2)
- (E)-2-ethoxy-6-(((2-fluorophenyl)imino)methyl)phenol (CAS 853727-02-3)
- (E)-2-ethoxy-6-(((3-fluorophenyl)imino)methyl)phenol (CAS 853727-00-1)
- 5-Ethoxy-N-(iminomethyl)-2-phenyloxazole-4-carboxamide (CAS 88584-25-2)
Recommended Standards
- 4-Amino-4'-(methylsulfanyl)[1,1'-biphenyl]-3-carboxylic acid (CAS 893735-72-3)
- 4-[4-(sec-Butyl)phenoxy]-3-fluorophenylamine (CAS 946664-14-8)
- 4-Methoxy-3-[(pyridin-2-ylsulfanyl)methyl]benzaldehyde (CAS 327047-73-4)
- 4-[3-(tert-Butyl)phenoxy]-3-fluorophenylamine (CAS 946699-13-4)
- 6-(Bromomethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 911705-42-5)
- Ethyl (E)-4-(2-(dimethylamino)vinyl)-8-(4-fluorophenyl)-7-methylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate (CAS 1087654-19-0)
- 2-(4-Fluorophenyl)-2-methoxyethane-1-sulfonyl chloride (CAS 1781100-57-9)
- 3-Amino-6-bromopyridine-2-carboxamide (CAS 1660117-37-2)
- 4-Hydroxybutyl dihydrogen phosphate (CAS 10305-36-9)
- Patman (CAS 87393-54-2)
- N-Benzyl-4-fluorobenzo[d]thiazol-2-amine (CAS 862975-05-1)
- Chlorophyll A (CAS 479-61-8)
- Ilaprazole Impurity 40 (CAS 102625-96-7)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
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