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102705-72-6

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102705-72-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102705-72-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,0 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102705-72:
(8*1)+(7*0)+(6*2)+(5*7)+(4*0)+(3*5)+(2*7)+(1*2)=86
86 % 10 = 6
So 102705-72-6 is a valid CAS Registry Number.

102705-72-6Downstream Products

102705-72-6Relevant articles and documents

Preparation method of 3-aryl-1-indanone derivate

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Paragraph 0118; 0119; 0120; 0121, (2016/10/17)

The invention discloses a preparation method of a 3-aryl-1-indanone derivate. The structural formula of the 3-aryl-1-indanone derivate is shown in the formula III. The preparation method comprises the following steps that a compound shown in the formula I reacts with a compound shown in the formula II in the presence of methyl trifluoromethanesulfonate, and therefore the 3-aryl-1-indanone derivate shown in the formula III is obtained. The preparation method of the 3-aryl-1-indanone derivate is scientific and reasonable, 3-aryl-1-indanone derivates with various substituent groups can be obtained, the raw materials are easy to obtain, no metal participates in the reaction, reaction atoms are economical, and meanwhile the preparation method has the advantages that operation is simple and convenient, the synthesis productive rate is high, the product is easy to purify, and environmental protection is achieved.

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