Trimethyl(2,4,5-trimethylphenyl)silane CAS 140435-95-6
| CAS No. | 140435-95-6 |
| Molecular Formula | C12H20Si |
| Molecular Weight | 192.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Trimethyl(2,4,5-trimethylphenyl)silane is closely related to an organic framework in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Trimethyl(2,4,5-trimethylphenyl)silane (CAS 140435-95-6) is a high-purity analytical reference standard with the molecular formula C12H20Si and a molecular weight of 192.37 g/mol.
Trimethyl(2,4,5-trimethylphenyl)silane (C12H20Si) contains an organic framework. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Trimethyl(2,4,5-trimethylphenyl)silane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H20Si |
| Molecular Weight | 192.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
Related Trimethyl Standards
- 4,5,6-Trimethyl-2-(methylthio)nicotinonitrile (CAS 151693-69-5)
- 1,5,6-Trimethyl-1H-benzo[d]imidazole-2(3H)-thione (CAS 22492-66-6)
- 3,7,7-Trimethyl-1,4,5,6,7,8-hexahydrocinnolin-5-one (CAS 51940-72-8)
- 3-(1,3,5-Trimethyl-1h-pyrazol-4-yl)isoxazol-5-amine (CAS 1172266-75-9)
- Trimethyl(pentafluoroethyl)silane (CAS 124898-13-1)
- trimethyl(trichloromethyl)silane (CAS 5936-98-1)
- 1,3,7-trimethyl-1H,2H,3H,4H,7H-pyrrolo[2,3-d]pyrimidine-2,4-dione (CAS 39930-51-3)
- 1,5,5-Trimethyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylic acid (CAS 2055249-40-4)
Recommended Standards
- Zinc selenite (CAS 13597-46-1)
- (3-Isopropylphenyl)trimethylsilane (CAS 18027-96-8)
- Tetraallylsilane (CAS 1112-66-9)
- (4-Isopropylphenyl)trimethylsilane (CAS 18027-97-9)
- 1-(3-Methylphenyl)pyrrolidin-3-amine (CAS 1096836-72-4)
- 5-Bromo-4-ethoxy-2-(p-tolyl)pyridazin-3(2H)-one (CAS 478080-61-4)
- 5-Bromo-1,2,3,4-tetrahydroquinoline Hydrochloride (CAS 1073968-64-5)
- N-((2S,3R,4R,5S,6R)-2,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)acetamide (CAS 10036-64-3)
- Benzyl 10H-phenoxazine-10-carboxylate (CAS 1407632-07-8)
- 4-(Difluoromethyl)-3-hydroxy-6-iodopyridine-2-sulfonyl chloride (CAS 1805454-92-5)
- tert-Butyl (5-(2-aminoethyl)thiazol-2-yl)carbamate (CAS 875798-81-5)
- tert-Butyl 1-(2-methoxyethyl)hydrazine-1-carboxylate (CAS 957761-27-2)
- cis-Permethrin EP Impurity G (CAS 85576-82-5)
- D-Val23-Tirzepatide (CAS CATO-CPTD788911)
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