1,1,1,3,3-Pentamethyl-3-(3-(oxiran-2-ylmethoxy)propyl)disiloxane CAS 18044-44-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18044-44-5 |
| Molecular Formula | C11H26O3Si2 |
| Molecular Weight | 262.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,1,1,3,3-Pentamethyl-3-(3-(oxiran-2-ylmethoxy)propyl)disiloxane (CAS 18044-44-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H26O3Si2. Molecular weight: 262.49 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H26O3Si2 |
| Molecular Weight | 262.49 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1962 |
Related Pentamethyl Standards
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- 1,1,3,5,5-Pentamethyl-3-phenyl-1lambda3,5lambda3-trisiloxane (CAS 17962-34-4)
- 2,2,4,6,7-Pentamethyl-2,3-dihydrobenzofuran-5-sulfonamide (CAS 378230-81-0)
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Recommended Standards
- 3-Chloro-4-fluoroiodobenzene (CAS 156150-67-3)
- (7-Bromo-4-chloropyrrolo[2,1-f][1,2,4]triazin-5-yl)methanol (CAS 2368205-72-3)
- 5-Bromo-7-chloro-3-methylbenzo[d]oxazol-2(3H)-one (CAS 1226065-43-5)
- 1-Fluorocyclohexane-1,4-dicarboxylic acid (CAS 2384555-92-2)
- 1-(2,6-Difluoro-4-iodopyridin-3-yl)-3-methylbutan-1-ol (CAS 2863532-75-4)
- 4-Isothiocyanato-N-(tetrahydrofuran-2-ylmethyl)-benzenesulfonamide (CAS 956576-77-5)
- Methyl 2-fluoro-5-[4-(methoxycarbonyl)phenyl]benzoate (CAS 1820706-97-5)
- N-(2-(ethylamino)ethyl)-3-methylbenzamide hydrochloride (CAS 1590288-09-7)
- 2-(5-Bromo-3-nitropyridin-2-yl)acetic acid (CAS 886372-82-3)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com