203785-58-4 A814501 chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethyl-silane chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane CAS 203785-58-4
| CAS No. | 203785-58-4 |
| Molecular Formula | C12H20Cl2O2Si2 |
| Molecular Weight | 323.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 203785-58-4 A814501 chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethyl-silane chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane.
203785-58-4 A814501 chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethyl-silane chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane (CAS 203785-58-4), molecular formula C12H20Cl2O2Si2 and molecular weight 323.36 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 203785-58-4 A814501 chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethyl-silane chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 323.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 203785-58-4 A814501 chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethyl-silane chloromethyl-[3-[chloromethyl(dimethyl)silyl]oxyphenoxy]-dimethylsilane 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.
Physical & Chemical Properties
| Molecular Formula | C12H20Cl2O2Si2 |
| Molecular Weight | 323.36 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | Cl-containing |
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