N-tert-Butyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide CAS 1881290-66-9
| CAS No. | 1881290-66-9 |
| Molecular Formula | C18H23NO4S |
| Molecular Weight | 349.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-tert-Butyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide 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.
N-tert-Butyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide (CAS 1881290-66-9), molecular formula C18H23NO4S and molecular weight 349.44 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-tert-Butyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide (C18H23NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 349.44 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C18H23NO4S |
| Molecular Weight | 349.44 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- tert-Butyl 3-((2-(tert-butoxy)-2-oxoethyl)sulfonyl)pyrrolidine-1-carboxylate (CAS 1823515-71-4)
- (2S,3R)-4-Cyclohexyl-3-(2-methoxyphenyl)-5-oxothiomorpholine-2-carboxylic acid (CAS 2202011-67-2)
- Estrone 3-O-Sulfamate (CAS 148672-09-7)
- 2-(2-Ethoxyethoxy)-4,6-dimethyl-3-(2-methylbenzenesulfonyl)pyridine (CAS 338411-96-4)
- 4-[1-(aminomethyl)cyclobutyl]oxan-4-ol (CAS 1499910-80-3)
- cis-4-methoxycyclohexan-1-amine hydrochloride (CAS 61367-43-9)
- 2-Allyltetrahydrofuran-2-carboxylic acid (CAS 267425-71-8)
- Ethyl 4-amino-2-hydroxybenzoate (CAS 6059-17-2)
- (T-4)-Diaqua[ethanedioato(2-)-κO1,κO2]manganese (CAS 6556-16-7)
- N1-(2,6-dinitro-4-(trifluoromethyl)phenyl)ethane-1,2-diamine (CAS 138800-06-3)
- Clarithromycin Impurity 21 (CAS CATO-C4X-100221)
- (S)-(4-Methylmorpholin-2-yl)methanamine (CAS 760914-29-2)
- tert-Butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate (CAS 152089-12-8)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
Why CATO?
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