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5-cyano-7-isopropenyl-4a-methyl-1,2,3,4,4a,5,6,7-octahydronaphthalene-2-spiro-2'-[1,3]-dioxolane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

160909-95-5

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160909-95-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 160909-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,9,0 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 160909-95:
(8*1)+(7*6)+(6*0)+(5*9)+(4*0)+(3*9)+(2*9)+(1*5)=145
145 % 10 = 5
So 160909-95-5 is a valid CAS Registry Number.

160909-95-5Relevant academic research and scientific papers

Total Synthesis of (-)-Ambrox from S-(+)-Carvone (part 6)

Verstegen-Haaksma, Anja A.,Swarts, Henk J.,Jansen, Ben J. M.,Groot, Aede de

, p. 10095 - 10106 (1994)

Conjugate addition of cyanide and allyl nucleophiles to S-(+)-carvone followed by annulation with methyl vinyl ketone gave the substituted decalones 2 and 3 stereoselectively.Both decalones were transformed into (-)-Ambrox via modification of the sidechain, methylation, conversion of the isopropenyl group and cyclization.

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