| CAS No. | 139264-88-3 |
| Molecular Formula | Al2O3 |
| Molecular Weight | N/A |
| 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.
Montmorillonite (aluminum pillared clay) (CAS 139264-88-3) is a high-purity analytical reference standard with the molecular formula Al2O3O2Si and a molecular weight of 162.04 g/mol.
The molecular framework of Montmorillonite (aluminum pillared clay) (Al2O3O2Si) is characterized by an inorganic composition. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
CATO manufactures Montmorillonite (aluminum pillared clay) 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.
| Molecular Formula | Al2O3 O2Si |
| Molecular Weight | 162.04 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1996 |