(E)-1-Trimethylsilyloxy-1-cycloundecen is a chemical compound with the molecular formula C14H28OSi. It is a colorless liquid that belongs to the class of organosilicon compounds, characterized by the presence of a trimethylsilyl group (SiMe3) and a cycloundecenyl moiety. (E)-1-Trimethylsilyloxy-1-cycloundecen is primarily used as a protecting group in organic synthesis, particularly for the selective protection of alcohols and phenols. The (E)-configuration indicates that the double bond has a trans arrangement, which is crucial for its reactivity and stability. It is synthesized by the reaction of cycloundecanol with trimethylsilyl chloride in the presence of a base, such as imidazole. The compound is sensitive to hydrolysis and can be used in various chemical transformations, including the formation of esters, ethers, and other functional groups.
74182-31-3
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Basic information
- Product Name: (E)-1-Trimethylsilyloxy-1-cycloundecen
- Synonyms: (E)-1-Trimethylsilyloxy-1-cycloundecen
- CAS NO:74182-31-3
- Molecular Formula:
- Molecular Weight: 240.461
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: (E)-1-Trimethylsilyloxy-1-cycloundecen(CAS DataBase Reference)
- NIST Chemistry Reference: (E)-1-Trimethylsilyloxy-1-cycloundecen(74182-31-3)
- EPA Substance Registry System: (E)-1-Trimethylsilyloxy-1-cycloundecen(74182-31-3)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 74182-31-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 74182-31-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,8 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.Calculate Digit Verification of CAS Registry Number 74182-31:
(7*7)+(6*4)+(5*1)+(4*8)+(3*2)+(2*3)+(1*1)=123
123 % 10 = 3
So 74182-31-3 is a valid CAS Registry Number.
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(E)-1-Trimethylsilyloxy-1-cycloundecen
