1,1,3,3-Tetramethyl-1,3-di-p-tolyldisiloxane CAS 18055-70-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18055-70-4 |
| Molecular Formula | C18H26OSi2 |
| Molecular Weight | 314.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,1,3,3-Tetramethyl-1,3-di-p-tolyldisiloxane (CAS 18055-70-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H26OSi2. Molecular weight: 314.57 g/mol. Batch-specific COA and technical support are available on request.
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 |
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- 1-{2-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy]ethyl}imidazole (CAS 1201790-12-6)
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Recommended Standards
- 5-((3-Bromobenzyl)amino)-4-chloropyridazin-3(2h)-one (CAS 1252318-93-6)
- (Oxybis(4,1-phenylene))bis(trimethylsilane) (CAS 18055-71-5)
- N2-(2-bromophenyl)-6-(chloromethyl)-1,3,5-triazine-2,4-diamine (CAS 105704-34-5)
- N-(5-Hydroxy-1H-indazol-3-yl)-3-phenylpropanamide (CAS 511204-84-5)
- 3-Propionylcyclopentanone (CAS 88017-44-1)
- 3-Chloro-1-(4-(furan-2-carbonyl)piperazin-1-yl)propan-1-one (CAS 353276-35-4)
- 2-((Benzyloxy)methyl)-4-iodo-5-isopropyl-1H-imidazole (CAS 178982-68-8)
- tert-Butyl methyl(3-piperidinylmethyl)carbamate hydrochloride (CAS 1255717-45-3)
- [4-(Trifluoromethyl)cyclohexyl]methanol (CAS 883731-58-6)
- Insulin Degludec Impurity 26 (CAS CATO-C4X-215726)
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