4-Methylumbelliferyl β-D-mannopyranoside CAS 67909-30-2
| CAS No. | 67909-30-2 |
| Molecular Formula | C16H18O8 |
| Molecular Weight | 338.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylumbelliferyl β-D-mannopyranoside (CAS 67909-30-2) is a high-purity analytical reference standard with the molecular formula C16H18O8 and a molecular weight of 338.31 g/mol.
Based on its molecular formula C16H18O8, 4-Methylumbelliferyl β-D-mannopyranoside contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C16H18O8 |
| Molecular Weight | 338.31 g/mol |
| Appearance | Pale yellow to 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
Related Methylumbelliferyl Standards
- 4-Methylumbelliferyl α-D-Glucopyranoside (CAS 17833-43-1)
- 4-Methylumbelliferyl β-D-Glucopyranoside (CAS 18997-57-4)
- 4-Methylumbelliferyl α-D-Galactopyranoside (CAS 38597-12-5)
- 4-Methylumbelliferyl α-D-Mannopyranoside (CAS 28541-83-5)
- 4-Methylumbelliferyl α-L-idopyranoside (CAS 66901-41-5)
- 4-Methylumbelliferyl -β-D-Galactopyranoside (CAS 6160-78-7)
- 4-Methylumbelliferyl α-D-glucosaminide (CAS 137687-00-4)
- 4-Methylumbelliferyl Decanoate (CAS 66185-70-4)
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- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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