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Silane, dimethyl[1-(2-methylcyclopentylidene)-3-butenyl]phenyl-, (Z)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91657-16-8

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91657-16-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91657-16-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91657-16:
(7*9)+(6*1)+(5*6)+(4*5)+(3*7)+(2*1)+(1*6)=148
148 % 10 = 8
So 91657-16-8 is a valid CAS Registry Number.

91657-16-8Downstream Products

91657-16-8Relevant academic research and scientific papers

INTRAMOLECULAR CARBOMETALLATION OF GRIGNARD REAGENTS HAVING THE TERMINAL TRIMETHYLSILYLACETYLENE GROUP

Fujikura, Sadao,Inoue, Masaharu,Utimoto, Kiitiro,Nozaki, Hitosi

, p. 1999 - 2002 (2007/10/02)

Reaction of 6-bromo-1-trimethylsilyl-1-hexyne with magnesium affords the corresponding Grignard reagent whose C-Mg bond intramolecularly adds to the trimethylsilylacetylene moiety in 5-Exo-Dig manner and suprafacially.The reaction can be applied to the synthesis of some cycloalkanes having stereodefined alkylidene substituents.

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