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1394213-71-8

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1394213-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1394213-71-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,4,2,1 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1394213-71:
(9*1)+(8*3)+(7*9)+(6*4)+(5*2)+(4*1)+(3*3)+(2*7)+(1*1)=158
158 % 10 = 8
So 1394213-71-8 is a valid CAS Registry Number.

1394213-71-8Downstream Products

1394213-71-8Relevant articles and documents

Synthesis method of 1, 5-diene derivative

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Paragraph 0034-0040, (2020/08/18)

The invention belongs to the technical field of pharmaceutical and chemical intermediates and related chemistry, and provides a preparation method of a 1, 5-diene derivative. The method comprises thefollowing steps: taking aryl substituted propyne and allyl boron ester as reaction raw materials, adopting 2-10mol% of a palladium catalyst, adding 2mol%-20mol% of acid and 100mol%-300mol% of alcoholas additives, and performing heating and stirring in an organic solvent for a certain period of time to generate the 1, 5-diene compound. The method disclosed by the invention has the beneficial effects that the operation is simple and convenient, the condition is mild, the method is environment-friendly, the catalyst can be recycled, the possibility of industrialization is realized, and the 1, 5-diene compound is obtained at a relatively high yield; and the 1, 5-diene compound synthesized by the method can be further functionalized to obtain various compounds, and is applied to development and research of natural products, functional materials and fine chemicals.

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