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4-Ethyl-4-hydroxy-3,5,5-trimethyl-2-cyclohexen-1-on is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128926-24-9

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128926-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128926-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,2 and 6 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128926-24:
(8*1)+(7*2)+(6*8)+(5*9)+(4*2)+(3*6)+(2*2)+(1*4)=149
149 % 10 = 9
So 128926-24-9 is a valid CAS Registry Number.

128926-24-9Relevant academic research and scientific papers

Structure-Odor Correlation, XIII. - Synthesis and Olfactive Properties of Megastigmatrienone Analogues

Weyerstahl, Peter,Meisel, Thomas,Mewes, Klaus,Negahdari, Shoreh

, p. 19 - 25 (2007/10/02)

The key compound 9 was readily prepared in larger quantities by an improvement of a known procedure.Addition of carbanions to the unprotected ketone 9 gives the hydroxy ketones 16 - 21 via the acetals 10 - 15.Dehydration of 16 - 20 furnishes the dienones

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