Ethyl 19-(tosyloxy)-3,6,9,12,15-pentaoxanonadecanoate CAS 2681389-24-0
| CAS No. | 2681389-24-0 |
| Molecular Formula | C23H38O10S |
| Molecular Weight | 506.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H38O10S, Ethyl 19-(tosyloxy)-3,6,9,12,15-pentaoxanonadecanoate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 506.61 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).
Ethyl 19-(tosyloxy)-3,6,9,12,15-pentaoxanonadecanoate (CAS 2681389-24-0) is a high-purity analytical reference standard with the molecular formula C23H38O10S and a molecular weight of 506.61 g/mol.
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 | C23H38O10S |
| Molecular Weight | 506.61 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 1-(Tosyloxy)-3,6,9,12,15,18-hexaoxahenicosan-21-oic acid (CAS 2803338-38-5)
- Ethyl 20-(tosyloxy)-3,6,9,12,15,18-hexaoxaicosanoate (CAS 1254951-77-3)
- Ethyl 17-(tosyloxy)-3,6,9,12,15-pentaoxaheptadecanoate (CAS 359869-60-6)
- 2’-Tosyloxy-dihydropleuromutilin (CAS 933762-22-2)
- 1-(Tosyloxy)-3,6,9,12,15-pentaoxaoctadecan-18-oic acid (CAS 2803338-37-4)
- Ethyl 2-(4-(3-(4-(tosyloxy)butoxy)propoxy)butoxy)acetate (CAS 2681388-10-1)
- Ethyl 15-(tosyloxy)-3,6,9,12-tetraoxapentadecanoate (CAS 2681388-08-7)
- 1,6-Bis(4-tosyloxy)-1h,1h,6h,6h-perfluorohexane (CAS 58191-47-2)
Recommended Standards
- (4AR,6S,7R,8S,8aS)-8-(benzyloxy)-2-phenyl-6-(p-tolylthio)hexahydropyrano[3,2-d][1,3]dioxin-7-yl acetate (CAS 2170345-73-8)
- Glimepiride Impurity 10 (CAS 600177-94-4)
- Tos-PEG5-CH2COOtBu (CAS 1949793-62-7)
- Ethyl 1-{5-[(1E)-[({4-[(4-methylphenyl)methoxy]phenyl}formamido)imino]methyl]-1,3-thiazol-2-yl}piperidine-4-carboxylate (CAS 477868-55-6)
- (2R)-4,4-difluoropyrrolidine-2-carboxylic acid hydrochloride (CAS 1407991-25-6)
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