| CAS No. | 480439-49-4 |
| Molecular Formula | C34H76O15Si8 |
| Molecular Weight | 949.64 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 1,2-Propanediolisobutyl-POSS® 1-(2,3-Propanediol)propoxy-3,5,7,9,11,13,15-isobutylpentacyclo-[9.5.1.13,9.15,15.17,13]octasiloxane 480439-49-4 POSS®-1,2-propanediol-isobutyl substituted PSS-(2,3-Propanediol)propoxy-Heptaisobutyl substituted (CAS 480439-49-4), a certified reference material (molecular formula C34H76O15Si8, MW 949.64 g/mol) for analytical method development and quality control.
Based on its molecular formula C34H76O15Si8, 1,2-Propanediolisobutyl-POSS® 1-(2,3-Propanediol)propoxy-3,5,7,9,11,13,15-isobutylpentacyclo-[9.5.1.13,9.15,15.17,13]octasiloxane 480439-49-4 POSS®-1,2-propanediol-isobutyl substituted PSS-(2,3-Propanediol)propoxy-Heptaisobutyl substituted contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 949.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), 1,2-Propanediolisobutyl-POSS® 1-(2,3-Propanediol)propoxy-3,5,7,9,11,13,15-isobutylpentacyclo-[9.5.1.13,9.15,15.17,13]octasiloxane 480439-49-4 POSS®-1,2-propanediol-isobutyl substituted PSS-(2,3-Propanediol)propoxy-Heptaisobutyl substituted 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 | C34H76O15Si8 |
| Molecular Weight | 949.64 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -3.0 |
| CAS Registry Year (est.) | 2025 |