2,3:4,5-Di-O-isopropylidene-1-O-p-toluenesulfonyl-β-D-fructopyranose CAS 78574-35-3
| CAS No. | 78574-35-3 |
| Molecular Formula | C19H26O8S |
| Molecular Weight | 414.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H26O8S, 2,3:4,5-Di-O-isopropylidene-1-O-p-toluenesulfonyl-β-D-fructopyranose contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 414.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
2,3:4,5-Di-O-isopropylidene-1-O-p-toluenesulfonyl-β-D-fructopyranose (CAS 78574-35-3), molecular formula C19H26O8S and molecular weight 414.47 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3:4,5-Di-O-isopropylidene-1-O-p-toluenesulfonyl-β-D-fructopyranose 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 | C19H26O8S |
| Molecular Weight | 414.47 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Sulfur Atoms | 1 |
Recommended Standards
- (3AR,5S,5aR,8aS,8bR)-2,2,7,7-tetramethyl-5-(tosylmethyl)tetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran (CAS 70932-39-7)
- 4-(5-(Cyclopentylthio)-4-methyl-4H-1,2,4-triazol-3-yl)-2-(3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)thiazole (CAS 956754-00-0)
- (3AR,5R,6S,6aR)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl 4-methylbenzenesulfonate (CAS 3253-75-6)
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- 4-(3-(Trifluoromethyl)benzyl)thiomorpholine 1,1-dioxide (CAS 478040-90-3)
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- 2-(Difluoromethyl)-3-fluoro-6-iodopyridine-5-acetic acid (CAS 1805512-88-2)
- 2-(2-Fluorophenyl)-N,N-dimethyl-5-(1H-pyrrol-2-yl)pyrimidin-4-amine (CAS 823795-86-4)
- Methyl 2-(1-cyanocyclopropyl)nicotinate (CAS 1956335-86-6)
- Pirfenidone Impurity 42 (CAS 3510-66-5)
- [3-fluoro-5-(morpholin-4-yl)phenyl]methanol (CAS 1296310-49-0)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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