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6-methoxy-4-(4-methoxyphenyl)-3,4-dihydrocoumarin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

866639-22-7

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866639-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 866639-22-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,6,3 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 866639-22:
(8*8)+(7*6)+(6*6)+(5*6)+(4*3)+(3*9)+(2*2)+(1*2)=217
217 % 10 = 7
So 866639-22-7 is a valid CAS Registry Number.

866639-22-7Relevant academic research and scientific papers

A convenient synthesis of dihydrocoumarins from phenols and cinnamic acid derivatives

Aoki, Shinya,Amamoto, Chie,Oyamada, Juzo,Kitamura, Tsugio

, p. 9291 - 9297 (2005)

A facile procedure for synthesis of dihydrocoumarin derivatives was described. Although the yield of the products in the reaction of phenols with acrylates in trifluoroacetic acid in the presence of Pd(OAc)2 giving coumarins was found to be very low, dihydrocoumarin derivatives were obtained in good to high yields in the absence of Pd(OAc)2 when ethyl cinnamates bearing electron-donating groups were employed in this reaction.

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