1-2-O-Ethylidene β-D-mannopyranose CAS 230953-16-9
| CAS No. | 230953-16-9 |
| Molecular Formula | C8H14O6 |
| Molecular Weight | 206.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-2-O-Ethylidene β-D-mannopyranose (C8H14O6) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
1-2-O-Ethylidene β-D-mannopyranose (CAS 230953-16-9), molecular formula C8H14O6 and molecular weight 206.19 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.
As a certified reference material (CRM), 1-2-O-Ethylidene β-D-mannopyranose 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 | C8H14O6 |
| Molecular Weight | 206.19 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2022 |
Related O Standards
- 4,6-O-Ethylidene-α-D-Glucopyranose (CAS 13224-99-2)
- 9-Ethylidene-9H-fluorene (CAS 7151-64-6)
- 1-(1-Ethylidene-3,4-dihydropyrrolo[1,2-a]pyrazin-2(1H)-yl)ethanone (CAS 835874-64-1)
- 4-Ethylidene-2-phenyloxazol-5(4H)-one (CAS 37791-41-6)
- 2-Ethylidene-1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonaphthalene (CAS 38233-76-0)
- N'-Ethylidene-5-methylisoxazole-3-carbohydrazide (CAS 90000-70-7)
- (E)-4-Ethylidene-5-methyl-3-(propan-2-ylidene)pyrrolidin-2-one (CAS 37817-45-1)
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Recommended Standards
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- 1-Phenylcyclopropane-1,2-dicarboxylic acid (CAS 63162-65-2)
- (4R)-4-Aminopyrrolidin-2-one dihydrochloride (CAS 1909288-00-1)
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- 1-(6-(P-tolyl)pyridin-3-yl)ethan-1-one (CAS 1216790-93-0)
- (R)-2-Amino-3-(1-formyl-1H-indol-3-yl)propanoic acid hydrochloride (CAS 367453-01-8)
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