6-Methyltetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate CAS 7404-35-5
| CAS No. | 7404-35-5 |
| Molecular Formula | C14H20O9 |
| Molecular Weight | 332.30 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.
6-Methyltetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (CAS 7404-35-5), molecular formula C14H20O9 and molecular weight 332.30 g/mol, is a CATO reference standard with documented purity and traceability.
6-Methyltetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (C14H20O9) 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).
CATO manufactures 6-Methyltetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate 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 | C14H20O9 |
| Molecular Weight | 332.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Methyltetrahydro Standards
- Benzyl (4-methyltetrahydro-2H-pyran-4-yl)carbamate (CAS 1856489-57-0)
- Benzyl (3-methyltetrahydro-2H-pyran-4-yl)carbamate (CAS 1870210-67-5)
- 2-Ethyl-2-methyltetrahydro-2h-pyran-4-sulfonyl chloride (CAS 1340179-66-9)
- N-(2-(2-methyltetrahydro-2H-pyran-4-yl)ethyl)thietan-3-amine (CAS 1870256-23-7)
- 3-(N-methyltetrahydro-2H-pyran-3-carboxamido)propanoic acid (CAS 1310119-89-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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