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((3Z,7E)-(1R,5R)-5-Benzyloxy-4,8-dimethyl-2-oxo-cyclodeca-3,7-dienyl)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

110990-45-9

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110990-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 110990-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,9,9 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 110990-45:
(8*1)+(7*1)+(6*0)+(5*9)+(4*9)+(3*0)+(2*4)+(1*5)=109
109 % 10 = 9
So 110990-45-9 is a valid CAS Registry Number.

110990-45-9Relevant academic research and scientific papers

Stereo-controlled Alkylation of Cyclodecadienone Derivatives and the Total Synthesis of (-)- and (+)-4,5-cis-3β-Hydroxygermacranolides

Nakamura, Takayoshi,Hirota, Hiroshi,Kuroda, Chiaki,Takahashi, Takeyoshi

, p. 1879 - 1882 (1986)

Direct trapping of the intermediate, produced by anionic oxy-Cope rearrangement of (1S,4S,6S)-4-alkoxy-1-ethenyl-3-methyl-6-(1-methylethenyl)-2-cyclohexen-1-ol, with ethyl bromoacetate gave ethyl -3-alkoxy-6-oxo-13-nor-1(10),4-germacradien-12-oate stereoselectively, which was converted into a natural (-)-4,5-cis-3β-hydroxygermacranolide.

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