| CAS No. | 77667-98-2 |
| Molecular Formula | C13H24O11 |
| Molecular Weight | 356.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
2'-O-Methyl Lactose (Mixture of Diastereomers) (CAS 77667-98-2), molecular formula C13H24O11 and molecular weight 356.32 g/mol, is a CATO reference standard with documented purity and traceability.
2'-O-Methyl Lactose (Mixture of Diastereomers) (C13H24O11) 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.
As a certified reference material (CRM), 2'-O-Methyl Lactose (Mixture of Diastereomers) 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.
| Molecular Formula | C13H24O11 |
| Molecular Weight | 356.32 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1979 |