1-(3-Mercapto)propyl-3,5,7,9,11,13,15-isobutylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 480438-85-5 Mercaptopropylisobutyl-POSS® POSS®-Mercaptopropyl-isobutyl substituted PSS-(3-Mercapto)propyl-Heptaisobutyl substituted CAS 480438-85-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 480438-85-5 |
| Molecular Formula | C31H70O12SSi8 |
| Molecular Weight | 891.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Mercapto)propyl-3,5,7,9,11,13,15-isobutylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane 480438-85-5 Mercaptopropylisobutyl-POSS® POSS®-Mercaptopropyl-isobutyl substituted PSS-(3-Mercapto)propyl-Heptaisobutyl substituted (CAS 480438-85-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C31H70O12SSi8. Molecular weight: 891.63 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C31H70O12SSi8 |
| Molecular Weight | 891.63 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 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- trans-2-Octenoyl-CoA (CAS 10018-94-7)
- Trioctadecanoin (CAS 555-43-1)
- 3-[1-(3-Chloro-4-fluorobenzoyl)piperidin-4-yl]-4-[(4-methylphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775385-03-9)
- (S)-Methyl 2-((3,3-dimethylbutyl)amino)-3,3-dimethylbutanoate (CAS 1052703-81-7)
- 6-bromo-1h,3h,4h,5h-thiopyrano[4,3-b]indole (CAS 1485633-34-8)
- Ethyl 2,4-dioxo-4-(2,4,6-trimethylphenyl)butanoate (CAS 203870-51-3)
- 3-(4-Methylphenyl)-2-oxopropanoic acid (CAS 38335-22-7)
- Ethyl 2-(1-benzyl-3-oxopiperazin-2-yl)acetate (CAS 61155-09-7)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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