Dichloro(3,3-dimethylbutyl)(methyl)silane CAS 157223-34-2
| CAS No. | 157223-34-2 |
| Molecular Formula | C7H16Cl2Si |
| Molecular Weight | 199.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Dichloro(3,3-dimethylbutyl)(methyl)silane (CAS 157223-34-2), molecular formula C7H16Cl2Si and molecular weight 199.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to chlorine substitution, Dichloro(3,3-dimethylbutyl)(methyl)silane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 199.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C7H16Cl2Si |
| Molecular Weight | 199.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 6-Hydroxy-2-methylthiazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione (CAS 18903-23-6)
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- (2-Amino-5-methoxyphenyl)dimethylphosphine oxide (CAS 2361969-63-1)
- tert-Butyl(dichloromethyl)dimethylsilane (CAS 138983-08-1)
- 2-Butyl-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione (CAS 1104637-43-5)
- 2-(Bromomethyl)-6-cyano-5-(difluoromethyl)pyridine-3-carboxaldehyde (CAS 1805501-79-4)
- methyl 8-chloro-1,7-naphthyridine-5-carboxylate (CAS 1424941-35-4)
- N/A (CAS CATO-CQCM105231)
- 7-Bromo-2,4,6,8-tetrachloro-3-nitroquinoline (CAS 2667057-47-6)
- 1-(3-Isopropyl-1-methyl-5-phenyl-1H-pyrazol-4-yl)-2-methylpropane-1-thione (CAS 1956327-86-8)
- 4'-(Bromomethyl)-4,2':6',4''-terpyridine (CAS 1227599-58-7)
- 4-(2-Fluorophenyl)phenol (CAS 321-62-0)
- 1-(2-Chloro-6-fluorobenzyl)-4-nitro-1h-pyrazole (CAS 333444-49-8)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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