5-Chloro-N-(4-(cyanomethyl)phenyl)-3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide CAS 898917-23-2
| CAS No. | 898917-23-2 |
| Molecular Formula | C16H12ClN3O4S |
| Molecular Weight | 377.80 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 5-Chloro-N-(4-(cyanomethyl)phenyl)-3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide (CAS 898917-23-2), a certified reference material (molecular formula C16H12ClN3O4S, MW 377.80 g/mol) for analytical method development and quality control.
Based on its molecular formula C16H12ClN3O4S, 5-Chloro-N-(4-(cyanomethyl)phenyl)-3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide contains a flavonoid core, 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 377.80 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C16H12ClN3O4S |
| Molecular Weight | 377.80 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 4-Ethyl 2-methyl 5-(2-chloroacetamido)-3-(2-methoxy-2-oxoethyl)thiophene-2,4-dicarboxylate (CAS 885524-25-4)
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- 2,4-Dibromo-6-iodophenol (CAS 53872-06-3)
- n-(2,5-Difluorobenzyl)-1-(1-methyl-1h-pyrazol-4-yl)methanamine (CAS 1006957-19-2)
- 1-(Azetidin-3-yl)-N,N-dimethyl-5-oxopyrrolidine-3-carboxamide hydrochloride (CAS 2138194-41-7)
- 11-Chloro-6-methyl-6,11-dihydrodibenzo[c,f][1,2]thiazepine 5,5-dioxide (CAS 26638-64-2)
- 5-Acetyl-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 22293-60-3)
- 5-Chloro-2-fluoro-3-methoxypyridine (CAS 1227580-27-9)
- (-)-Sophoranone (CAS 23057-55-8)
- 3-Amino-6-bromo-5-methylpyrazine-2-carbonitrile (CAS 160602-31-3)
- 1,1-Difluoro-5-methyl-6-azaspiro[2.5]Octane (CAS 2306276-34-4)
- Propionyl-L-proline (CAS 59785-66-9)
- Peptide 438 (CAS CATO-CPTD788438)
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