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2,6-Bis(1,1-dimethylethyl)-4-methylphenyl 3-((1,1-dimethylethyl)dimethylsiloxy)-2-diazo-3-butenoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

172977-67-2

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172977-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172977-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,7 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 172977-67:
(8*1)+(7*7)+(6*2)+(5*9)+(4*7)+(3*7)+(2*6)+(1*7)=182
182 % 10 = 2
So 172977-67-2 is a valid CAS Registry Number.

172977-67-2Relevant academic research and scientific papers

Synthesis and Chemistry of Donor/Acceptor-Substituted Cyclopropenes

Davies, Huw M. L.,Houser, Jeffrey H.,Thornley, Craig

, p. 7529 - 7534 (1995)

Rhodium(II) acetate, or trifluoroacetate-catalyzed decomposition of 1-diazo-2-(trialkylsiloxy)propenes with electron-withdrawing groups at the 1-position results in the formation of highly reactive cyclopropenes.These cyclopropenes contain both donor and acceptor substituents on the alkene and are very susceptible to ring opening and fragmentation reactions.Nevertheless, when appropriately functionalized with bulky substituents they can be of sufficient stability to be isolated and characterized.

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