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Acetic acid 4-(3-chlorocarbonyl-1,1-dimethyl-propyl)-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70556-65-9

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70556-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70556-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,5 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 70556-65:
(7*7)+(6*0)+(5*5)+(4*5)+(3*6)+(2*6)+(1*5)=129
129 % 10 = 9
So 70556-65-9 is a valid CAS Registry Number.

70556-65-9Relevant academic research and scientific papers

Total Synthesis of (+/-)-α-Chamigrene and Brominated Chamigrene

Iwata, Chuzo,Miyashita, Kazuyuki,Koga, Yasuo,Shinoo, Yasutaka,Yamada, Minoru,Tanaka, Tetsuaki

, p. 2308 - 2312 (2007/10/02)

α-Chamigrene (1) and a bromochamigrene derivative, 9-(Z)-bromomethylidene-1,5,5-trimethylspiroundeca-1,7-dien-3-one (2a) were synthesized via a useful synthon in the synthesis of chamigrene-type sesquiterpenes, i.e., 1,5,5-trimethylspiroundeca-7,10-dien-3-one (5), which had been obtained by the copper(II) chloride-catalyzed decomposition of the phenolic α-diazoketone 4.Keywords - spirocyclic sesquiterpene; α-chamigrene; brominated chamigrene; spiro-undecane; 1,5,5-trimethylspiroundeca-7,10-diene-2,9-dione; metal-catalyzed decomposition of phenolic α-diazoketone; copper(II) chloride; regiospecific reduction; allylic oxidation; lithium in liquid ammonia

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