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2-Cyclohexen-1-one, 4-chloro-3,5,5-trimethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20781-90-2

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20781-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20781-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,8 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20781-90:
(7*2)+(6*0)+(5*7)+(4*8)+(3*1)+(2*9)+(1*0)=102
102 % 10 = 2
So 20781-90-2 is a valid CAS Registry Number.

20781-90-2Relevant academic research and scientific papers

THE ALLYLIC REARRANGEMENT. V. REACTION OF 4-HALOISOPHORONE WITH SODIUM METHOXIDE IN METHANOL

Tsuboi, Sadao,Kurihara, Yoichi,Watanabe, Takayuki,Takeda, Akira

, p. 773 - 780 (2007/10/02)

Treatment of 4-bromoisophorone with sodium methoxide gave 2-methoxyisophorone (4).Reaction of 4-chloroisophorone with sodium methoxide at 65-70 deg C afforded Favorskii-type rearrangement product along with 4.

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