| CAS No. | 1312-43-2 |
| Molecular Formula | In2O3 |
| Molecular Weight | 277.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Indium(III) oxide (CAS 1312-43-2), a certified reference material (molecular formula In2O3, MW 277.63 g/mol) for analytical method development and quality control.
Based on its molecular formula In2O3, Indium(III) oxide contains an inorganic composition; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 277.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), Indium(III) oxide 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 | In2O3 |
| Molecular Weight | 277.63 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1957 |