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
| CAS No. | 67923-13-1 |
| Molecular Formula | C2H7ClOSi |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 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 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.
CATO supplies 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), a certified reference material (molecular formula C2H7ClOSiC2H6OSi, MW 184.77 g/mol) for analytical method development and quality control.
Based on its molecular formula C2H7ClOSiC2H6OSi, 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 contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 184.77 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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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- Methyl 2-(3-mercapto-5-phenyl-4h-1,2,4-triazol-4-yl)acetate (CAS 1038296-88-6)
- 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 18665070610 / Nicole.chen@cato-chem.com