67923-13-1 Siloxanes and Silicones, di-Me, chlorine-terminated alpha,omega-Dichloropolydimethyl siloxane Dichloropoly(dimethylsiloxane) Polydimethylsiloxane, chloro end-blocked Poly(oxy(dimethylsilylene)), alpha-chlorodimethylsilyl-omega-chloro- alpha,omega-Dichloropolydimethylsiloxane CAS 67923-13-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67923-13-1 |
| Molecular Formula | C2H7ClOSi C2H6OSi |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
67923-13-1 Siloxanes and Silicones, di-Me, chlorine-terminated alpha,omega-Dichloropolydimethyl siloxane Dichloropoly(dimethylsiloxane) Polydimethylsiloxane, chloro end-blocked Poly(oxy(dimethylsilylene)), alpha-chlorodimethylsilyl-omega-chloro- alpha,omega-Dichloropolydimethylsiloxane (CAS 67923-13-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C2H7ClOSi C2H6OSi. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C2H7ClOSi C2H6OSi |
| Molecular Weight | 184.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 1-(4-Bromophenyl)-4-pentylbicyclo[2.2.2]octane (CAS 76921-48-7)
- 4-chloro-7-methoxyquinolin-6-ol (CAS 205448-74-4)
- Potassium 2-(5-Methyl-2-pyridyl)acetate (CAS 1956335-49-1)
- 4-Nitroindoline-2,3-dione (CAS 61394-93-2)
- 3-(4-Chlorophenyl)sulfanyl-1-methyl-5-(trifluoromethyl)pyridin-2-one (CAS 1924322-42-8)
- (2S,3S,4S,5S,6R)-6-(hydroxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetraol (CAS 7296-15-3)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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