Methyl 3,4-Di-O-benzyl-α-D-mannopyranoside CAS 79218-87-4
| CAS No. | 79218-87-4 |
| Molecular Formula | C21H26O6 |
| Molecular Weight | 374.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3,4-Di-O-benzyl-α-D-mannopyranoside 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.
Methyl 3,4-Di-O-benzyl-α-D-mannopyranoside (CAS 79218-87-4), molecular formula C21H26O6 and molecular weight 374.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 3,4-Di-O-benzyl-α-D-mannopyranoside (C21H26O6) 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 374.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C21H26O6 |
| Molecular Weight | 374.43 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
Recommended Standards
- Methyl 2-4-di-O-benzyl-α-D-mannopyranoside (CAS 67381-29-7)
- Methyl 6-((1-(tert-Butoxycarbonyl)piperidin-4-yl)oxy)-1H-indole-2-carboxylate (CAS 287389-12-2)
- Methyl 1-(2-phenylquinoline-4-carbonyl)piperidine-4-carboxylate (CAS 349440-98-8)
- N-(2-Methoxyphenyl)-2,5-diphenylisoxazolidine-3-carboxamide (CAS 62513-18-2)
- n-((3,4-Dimethoxyphenyl)sulfonyl)-n-phenylglycine (CAS 693819-68-0)
- 3-Bromo-2-ethoxypyridine (CAS 57883-25-7)
- N-[(4-methylphenyl)methyl]-3-(2-sulfanyl-1H-imidazol-1-yl)benzamide (CAS 1146289-99-7)
- 9,9-Dimethyl-10(9H)-acridinyl (CAS 53884-62-1)
- N,N-Dimethyl-octahydro-1H-isoindol-5-amine (CAS 1935268-89-5)
- 4-(4-Chlorophenyl)-5-(4-pyridinyl)-4h-1,2,4-triazole-3-thiol (CAS 74270-76-1)
- Amorolfine impurity 68 (CAS CATO-C4X-154268)
- 4-Chloro-5,6,7,8-tetrahydroquinazoline (CAS 1125-62-8)
- 4-(5,6-Dimethyl-1H-benzo[d]imidazol-2-yl)butanoic acid (CAS 842972-04-7)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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