Methyl 2,3:4,6-Di-O-benzylidene-α-D-mannopryanoside CAS 4148-71-4
| CAS No. | 4148-71-4 |
| Molecular Formula | C21H22O6 |
| Molecular Weight | 370.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H22O6, Methyl 2,3:4,6-Di-O-benzylidene-α-D-mannopryanoside 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 370.40 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).
Methyl 2,3:4,6-Di-O-benzylidene-α-D-mannopryanoside (CAS 4148-71-4), molecular formula C21H22O6 and molecular weight 370.40 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures Methyl 2,3:4,6-Di-O-benzylidene-α-D-mannopryanoside 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 | C21H22O6 |
| Molecular Weight | 370.40 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Recommended Standards
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- Ethyl 4-(2-(6-oxo-3-phenylpyridazin-1(6H)-yl)acetyl)piperazine-1-carboxylate (CAS 922944-88-5)
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- Methyl 2-hydroxy-5-(hydroxymethyl)benzoate (CAS 183430-63-9)
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- 2-ethoxy-4-[(ethylamino)methyl]phenol hydrochloride (CAS 1177299-69-2)
- (3-Chloro-4-fluorophenyl)(2-iodophenyl)methanone (CAS 951890-16-7)
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- Aprepitant Impurity 32 (CAS CATO-C4X-116832)
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Why CATO?
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