(3aR,4R,6S,7S,7aR)-4-Methoxy-6-methyl-2-phenyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-ol CAS 61199-73-3
| CAS No. | 61199-73-3 |
| Molecular Formula | C14H18O5 |
| Molecular Weight | 266.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3aR,4R,6S,7S,7aR)-4-Methoxy-6-methyl-2-phenyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-ol (CAS 61199-73-3), molecular formula C14H18O5 and molecular weight 266.29 g/mol, is a CATO reference standard with documented purity and traceability.
(3aR,4R,6S,7S,7aR)-4-Methoxy-6-methyl-2-phenyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-7-ol (C14H18O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C14H18O5 |
| Molecular Weight | 266.29 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
Recommended Standards
- (3-Amino-4,6-dimethylfuro[2,3-b]pyridin-2-yl)(phenyl)methanone (CAS 54891-82-6)
- (3E)-3-[(4-Methoxyphenyl)imino]-1-methyl-2,3-dihydro-1H-indol-2-one (CAS 80110-10-7)
- (2Z)-3-Amino-3-[4-(4-methoxyphenoxy)phenyl]prop-2-enenitrile (CAS 478081-41-3)
- (3R)-3-(4-hydroxy-1-oxo-isoindolin-2-yl)piperidine-2,6-dione (CAS 2414414-22-3)
- Ethyl 4-(7-phenyl-7H-pyrazolo[3,4-d][1,2,3]triazin-4-yl)piperazine-1-carboxylate (CAS 1251710-01-6)
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- 7-Fluoro-1-methyl-1H-indole (CAS 1146637-25-3)
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