tert-Butyl(3,4-dichlorophenoxy)dimethylsilane CAS 188645-81-0
| CAS No. | 188645-81-0 |
| Molecular Formula | C12H18Cl2OSi |
| Molecular Weight | 277.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 277.26 g/mol gives tert-Butyl(3,4-dichlorophenoxy)dimethylsilane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
tert-Butyl(3,4-dichlorophenoxy)dimethylsilane (CAS 188645-81-0) is a high-purity analytical reference standard with the molecular formula C12H18Cl2OSi and a molecular weight of 277.26 g/mol.
Based on its molecular formula C12H18Cl2OSi, tert-Butyl(3,4-dichlorophenoxy)dimethylsilane contains a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.26 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.
As a certified reference material (CRM), tert-Butyl(3,4-dichlorophenoxy)dimethylsilane 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 | C12H18Cl2OSi |
| Molecular Weight | 277.26 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2010 |
| Halogen Content | Cl-containing |
Recommended Standards
- tert-Butyl(2,5-dichlorophenoxy)dimethylsilane (CAS 188645-79-6)
- ((Benzylamino)(phenyl)methyl)phosphonic acid (CAS 25881-35-0)
- 2-(1-(Boc)-3,3-Difluoro-1,2,3,6-tetrahydropyridin-4-yl)acetic acid (CAS 1823257-61-9)
- (3R,6R)-5-(tert-butoxycarbonyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-6-carboxylic acid (CAS 2227198-18-5)
- 4-(Bromomethyl)-7-hydroxy-2H-chromen-2-one (CAS 161798-25-0)
- 4-(Chloromethyl)-2-(3,5-dimethylphenyl)thiazole (CAS 1247561-17-6)
- (3S,4S)-3,4,6-Trihydroxy-2,5-dioxohexanoic acid (CAS 2595-33-7)
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- 1S,3S,αS-Deltamethrin (CAS 64364-02-9)
- (R)-4-(tert-Butoxycarbonyl)-6-oxopiperazine-2-carboxylic acid (CAS 1240583-92-9)
- 780803-63-6 1-(3-Methylpyridin-2-yl)ethan-1-amine DTXSID80672446 (CAS 780803-63-6)
- Sertraline Impurity 77 (CAS CATO-C4X-134477)
- 5-Chloropentanamide (CAS 2455-05-2)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
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