4-Methylumbelliferyl 6-O-(tert-Butyldiphenylsilyl)-β-D-galactopyranoside CAS 296776-03-9
| CAS No. | 296776-03-9 |
| Molecular Formula | C32H36O8Si |
| Molecular Weight | 576.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Methylumbelliferyl 6-O-(tert-Butyldiphenylsilyl)-β-D-galactopyranoside (CAS 296776-03-9), molecular formula C32H36O8Si and molecular weight 576.71 g/mol, is a CATO reference standard with documented purity and traceability.
4-Methylumbelliferyl 6-O-(tert-Butyldiphenylsilyl)-β-D-galactopyranoside (C32H36O8Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. 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).
As a certified reference material (CRM), 4-Methylumbelliferyl 6-O-(tert-Butyldiphenylsilyl)-β-D-galactopyranoside meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C32H36O8Si |
| Molecular Weight | 576.71 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Methylumbelliferyl Standards
- 4-Methylumbelliferyl-β-D-xylotrioside (CAS 250252-60-9)
- 4-Methylumbelliferyl N-N-diacetyl-β-D-chitobioside (CAS 53643-12-2)
- 4-Methylumbelliferyl 6-Thio-palmitate-β-D-glucopyranoside (CAS 229644-17-1)
- 4-Methylumbelliferyl 3-4-6-tri-O-acetyl-2-deoxy-2-trifluoroacetamido-α-D-glucopyranoside (CAS 137686-92-1)
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- 4-Methylumbelliferyl 2-Acetamido-2-deoxy-3,6-dipivaloyl-β-D-galactopyranoside (CAS 849207-59-6)
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