(4AS,5S,7S,8R,8aS)-2,3-dimethoxy-2,3,5-trimethyl-7-(phenylthio)hexahydro-5H-pyrano[3,4-b][1,4]dioxin-8-ol CAS 202824-32-6
| CAS No. | 202824-32-6 |
| Molecular Formula | C18H26O6S |
| Molecular Weight | 370.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (4AS,5S,7S,8R,8aS)-2,3-dimethoxy-2,3,5-trimethyl-7-(phenylthio)hexahydro-5H-pyrano[3,4-b][1,4]dioxin-8-ol (CAS 202824-32-6), a certified reference material (molecular formula C18H26O6S, MW 370.46 g/mol) for analytical method development and quality control.
The molecular framework of (4AS,5S,7S,8R,8aS)-2,3-dimethoxy-2,3,5-trimethyl-7-(phenylthio)hexahydro-5H-pyrano[3,4-b][1,4]dioxin-8-ol (C18H26O6S) is characterized by a steroid core, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
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 | C18H26O6S |
| Molecular Weight | 370.46 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Sulfur Atoms | 1 |
Recommended Standards
- (2R,4'R,8a'R)-1-tert-butyl 4'-methyl 6'-oxohexahydrospiro[pyrrolidine-2,7'-pyrrolo[2,1-b][1,3]thiazine]-1,4'-dicarboxylate (CAS 221040-37-5)
- 7-(4-Butylphenyl)-6-fluoro-5,10-dihydroindeno[1,2-b]indol-2-amine (CAS 920304-41-2)
- Thiol-PEG6-acid (CAS 1347750-77-9)
- N-((1-(2-Methoxyethyl)piperidin-4-yl)methyl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide (CAS 952983-40-3)
- (4-(3,5-Bis(trifluoromethyl)phenoxy)phenyl)methanamine (CAS 771572-16-8)
- 1-(3-Chloropropyl)piperidine (CAS 1458-63-5)
- (4-(2-Methoxybenzyl)tetrahydro-2H-pyran-4-yl)methanamine (CAS 1275858-83-7)
- DImethyl 2,6-dimethyl-4-(5-methyl-2-thienyl)-1,4-dihydropyridine-3,5-dicarboxylate (CAS 162229-15-4)
- 1-Acetyl-4-nitro-3-phenyl-5-(trifluoromethyl)-1H-pyrazole (CAS 1017793-90-6)
- 4-(Cyclopropylmethoxy)-1,2-benzisoxazol-3-amine (CAS 868271-16-3)
- N-(3-(Allyloxy)phenyl)-2,2,2-trifluoro-N-methylacetamide (CAS 1706450-10-3)
- N-(4-Fluorophenyl)-N-isopropyl-2-((5-(methylsulfonyl)-1,3,4-thiadiazol-2-yl)oxy)acetamide (CAS 1785763-80-5)
- 2-PYRIDIN-3-YL PIPERAZINE 3HCL (CAS 1171887-03-8)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
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