(Oxybis(2,1-phenylene))bis(trimethylsilane) CAS 18055-73-7
| CAS No. | 18055-73-7 |
| Molecular Formula | C18H26OSi2 |
| Molecular Weight | 314.57 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 (Oxybis(2,1-phenylene))bis(trimethylsilane).
CATO supplies (Oxybis(2,1-phenylene))bis(trimethylsilane) (CAS 18055-73-7), a certified reference material (molecular formula C18H26OSi2, MW 314.57 g/mol) for analytical method development and quality control.
(Oxybis(2,1-phenylene))bis(trimethylsilane) (C18H26OSi2) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 (Oxybis(2,1-phenylene))bis(trimethylsilane) 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 | C18H26OSi2 |
| Molecular Weight | 314.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Oxybis Standards
- (Oxybis(4,1-phenylene))bis(trimethylsilane) (CAS 18055-71-5)
- 6,6'-Oxybis(benzo[d]thiazol-2-amine) (CAS 53357-06-5)
- 4,4'-Oxybis(N-hydroxy-3-methylbenzimidamide) (CAS 89446-97-9)
- 4,4'-((Oxybis(ethane-2,1-diyl))bis(oxy))dibenzaldehyde (CAS 111550-46-0)
- 2,2'-((Oxybis(ethane-2,1-diyl))bis(oxy))dibenzaldehyde (CAS 82645-24-7)
- 2,2'-Oxybis(5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide) (CAS 4090-52-2)
- 4,4'-(Oxybis(propane-3,1-diyl))bis(2,6-dimethylpyridine) (CAS 865074-42-6)
- 4,4'-(Oxybis(methylene))bis(1,2-dimethoxybenzene) (CAS 23702-54-7)
Recommended Standards
- 1-(4-bromobenzyl)-5-methyl-1H-1,2,3-triazole-4-carbonyl chloride (CAS 952182-50-2)
- 1,1,3,3-Tetramethyl-1,3-di-p-tolyldisiloxane (CAS 18055-70-4)
- 1,1-Bis(trimethylsilyl)-3-(3-fluorophenyl)-2-thiourea (CAS 71457-02-8)
- 5-((3-Bromobenzyl)amino)-4-chloropyridazin-3(2h)-one (CAS 1252318-93-6)
- 2-(4-Bromo-3-fluorophenyl)-2-methylpropanoic acid (CAS 884905-29-7)
- Ethyl(4-fluorophenyl)sulfane (CAS 2924-75-6)
- 7-(trifluoromethyl)quinolin-4-amine (CAS 243666-11-7)
- (S)-1-(2-Chloro-6-fluorobenzyl)pyrrolidin-3-ol (CAS 1289585-19-8)
- 1-Benzyl-1H-indol-3-amine hydrochloride (CAS 1159823-99-0)
- Darolutamide Impurity 14 (CAS CATO-C4X-310614)
- methyl(1,3-thiazol-4-ylmethyl)amine dihydrochloride (CAS 1609403-13-5)
- 6-Chloro-4-methoxy-2,3-dihydro-1H-inden-1-one (CAS 1199782-89-2)
- 2,7-Bis(tert-butyldimethylsilanyloxy)naphthalene (CAS 178161-06-3)
- Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 90880-35-6)
Why CATO?
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