1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3,5-trimethoxy-1,5-dimethyl-1,3,5-triphenyltrisiloxane CAS 68992-19-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 68992-19-8 |
| Molecular Formula | C23H30O5Si3 C6H14O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with 1,3,5-trimethoxy-1,5-dimethyl-1,3,5-triphenyltrisiloxane (CAS 68992-19-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H30O5Si3 C6H14O3. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H30O5Si3 C6H14O3 |
| Molecular Weight | 604.92 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
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Recommended Standards
- N-methyl-2-(5-phenyl-1,2,4-oxadiazol-3-yl)ethan-1-amine hydrochloride (CAS 145850-37-9)
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- Diethyl 2,5-dioxobicyclo[2.2.2]octane-1,4-dicarboxylate (CAS 843-59-4)
- N-(3-chloro-4-fluorophenyl)-2-(2-(3,4-dimethoxyphenyl)acetyl)hydrazine-1-carbothioamide (CAS 882749-28-2)
- 2-chloro-4-fluorophenyl 4-(chloromethyl)benzoate (CAS 219500-19-3)
- 1-Bromo-2-(bromomethyl)cyclohexane (CAS 52428-01-0)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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