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Cyclopentanone, 2-(3,5-hexadienyl)-3,3-dimethyl-5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]- , cis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89116-40-5

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89116-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89116-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,1 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89116-40:
(7*8)+(6*9)+(5*1)+(4*1)+(3*6)+(2*4)+(1*0)=145
145 % 10 = 5
So 89116-40-5 is a valid CAS Registry Number.

89116-40-5Relevant academic research and scientific papers

SESQUITERPENE LACTONES. A TOTAL SYNTHESIS OF (+/-) QUADRONE

Dewanckele, J. M.,Zutterman, F.,Vandewalle, M.

, p. 3235 - 3244 (2007/10/02)

Two routes towards (+/-) quadrone (1), via an intramolecular Diels-Alder reaction have been studied.The cycloaddition of 5 failed, probably because of prohibitive strain.In the alternative approach, the key step afforded a mixture of endo- and exo-adducts

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