(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 126187-25-5
| CAS No. | 126187-25-5 |
| Molecular Formula | C16H24O9S |
| Molecular Weight | 392.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (C16H24O9S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 392.42 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).
(2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 126187-25-5), molecular formula C16H24O9S and molecular weight 392.42 g/mol, is a CATO reference standard with documented purity and traceability.
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 manufactures (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H24O9S |
| Molecular Weight | 392.42 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.) | 1993 |
| Sulfur Atoms | 1 |
Recommended Standards
- (2R,3R,4S,5S,6S)-2-(acetoxymethyl)-6-(ethylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 125354-48-5)
- N,N-Dimethyl-4-[6-(4-methyl-piperazin-1-yl)-5-trifluoromethyl-pyridin-3-yl]-benzamide (CAS 1311279-05-6)
- Abemaciclib Impurity 183 (CAS CATO-C4X-2937183)
- (4-(1-(4-(2-((Tert-butyldimethylsilyl)oxy)ethyl)piperazin-1-yl)ethyl)phenyl)boronic acid (CAS 1704069-39-5)
- 3-phenyl-5-[(2R)tetrahydro-1H-pyrrol-2-yl]-1,2,4-oxadiazole (CAS 853104-20-8)
- 1-[(4-Chlorophenyl)sulfonyl]-cyclopropanecarboxylic acid 4444AE 505071-92-1 C10H9ClO4S (CAS 505071-92-1)
- 5-amino-3-methyl-1H-pyrazole-4-carboxamide (CAS 908808-35-5)
- tert-Butyl 3,4-dihydroquinoxaline-1(2H)-carboxylate (CAS 887590-25-2)
- 5-Amino-2,4-dimethylbenzoic acid (CAS 24587-05-1)
- 1-[2-(1,3-Dioxolan-2-yl)ethyl]-4-nitro-1h-pyrazole (CAS 1006570-90-6)
- Benzyl (2-((S)-2-amino-N-isopropylpropanamido)cyclohexyl)carbamate (CAS 1354029-33-6)
- Hexadecyl isothiocyanate (CAS 4426-87-3)
- 2,2,2-Trifluoroethyl (4-hydroxycyclohexyl)carbamate (CAS 1197653-62-5)
- Allo-Thr7-Tirzepatide (CAS CATO-CPTD788933)
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