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(+)-1,1-dimenthene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221209-60-5

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221209-60-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221209-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,0 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221209-60:
(8*2)+(7*2)+(6*1)+(5*2)+(4*0)+(3*9)+(2*6)+(1*0)=85
85 % 10 = 5
So 221209-60-5 is a valid CAS Registry Number.

221209-60-5Downstream Products

221209-60-5Relevant academic research and scientific papers

Synthesis and cycloaddition reactions of 1,1'-dimenthene

Fabris,Leoni,De Lucchi

, p. 1223 - 1226 (1999)

The synthesis of the hitherto unknown 1,1'-dimenthene 11 from menthone has been studied in detail. The most convenient procedure entails conversion of menthone 6 into its tosylhydrazone 7, Shapiro transformation into the iodide 9 and copper-mediated homoc

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