Bis(3,5-dimethylphenyl)dimethylsilane CAS 1171890-33-7
| CAS No. | 1171890-33-7 |
| Molecular Formula | C18H24Si |
| Molecular Weight | 268.47 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 Bis(3,5-dimethylphenyl)dimethylsilane.
Bis(3,5-dimethylphenyl)dimethylsilane (CAS 1171890-33-7) is a high-purity analytical reference standard with the molecular formula C18H24Si and a molecular weight of 268.47 g/mol.
Based on its molecular formula C18H24Si, Bis(3,5-dimethylphenyl)dimethylsilane contains a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Bis(3,5-dimethylphenyl)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 | C18H24Si |
| Molecular Weight | 268.47 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Bis Standards
- 1-(3,4-Dimethylphenyl)-4-(methylsulfonyl)piperazine (CAS 1163729-80-3)
- 1-(2,3-Dimethylphenyl)-2,3-dihydroquinazoline-4(1H)-thione (CAS 90070-92-1)
- 3-(2,4-Dimethylphenyl)-6-(piperazin-1-yl)pyridazine (CAS 933731-19-2)
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- 1-(2,6-Dimethylphenyl)-3-(4-methoxyphenyl)propan-1-one (CAS 898775-86-5)
- 1-(3,4-Dimethylphenyl)-3-(2-methoxyphenyl)propan-1-one (CAS 898770-06-4)
Recommended Standards
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