| CAS No. | 17042-40-9 |
| Molecular Formula | C21H26O11 |
| Molecular Weight | 454.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-Methoxyphenyl 2-3-4-6-tetra-O-acetyl-α-D-mannopyranoside (CAS 17042-40-9), molecular formula C21H26O11 and molecular weight 454.42 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Methoxyphenyl 2-3-4-6-tetra-O-acetyl-α-D-mannopyranoside (C21H26O11) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 454.42 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).
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 4-Methoxyphenyl 2-3-4-6-tetra-O-acetyl-α-D-mannopyranoside 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.
| Molecular Formula | C21H26O11 |
| Molecular Weight | 454.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |