1-Allyl-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 205131-81-3 Allyl-POSS® PSS-Allyl-Heptacyclopentyl substituted CAS 205131-81-3
| CAS No. | 205131-81-3 |
| Molecular Formula | C38H68O12Si8 |
| Molecular Weight | 941.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 941.62 g/mol gives 1-Allyl-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 205131-81-3 Allyl-POSS® PSS-Allyl-Heptacyclopentyl substituted distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-Allyl-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 205131-81-3 Allyl-POSS® PSS-Allyl-Heptacyclopentyl substituted (CAS 205131-81-3), a certified reference material (molecular formula C38H68O12Si8, MW 941.62 g/mol) for analytical method development and quality control.
Structurally, 1-Allyl-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 205131-81-3 Allyl-POSS® PSS-Allyl-Heptacyclopentyl substituted (C38H68O12Si8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 941.62 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 1-Allyl-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 205131-81-3 Allyl-POSS® PSS-Allyl-Heptacyclopentyl substituted 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.
Physical & Chemical Properties
| Molecular Formula | C38H68O12Si8 |
| Molecular Weight | 941.62 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
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