Methyl 3-5-di-O-(2-4-dichlorobenzyl)-2-C-methyl-α-D-ribofuranoside CAS 443642-31-7
| CAS No. | 443642-31-7 |
| Molecular Formula | C21H22Cl4O5 |
| Molecular Weight | 496.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3-5-di-O-(2-4-dichlorobenzyl)-2-C-methyl-α-D-ribofuranoside 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.
CATO supplies Methyl 3-5-di-O-(2-4-dichlorobenzyl)-2-C-methyl-α-D-ribofuranoside (CAS 443642-31-7), a certified reference material (molecular formula C21H22Cl4O5, MW 496.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H22Cl4O5, Methyl 3-5-di-O-(2-4-dichlorobenzyl)-2-C-methyl-α-D-ribofuranoside contains a flavonoid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 496.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H22Cl4O5 |
| Molecular Weight | 496.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
Recommended Standards
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