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905301-43-1

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905301-43-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 905301-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,3,0 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 905301-43:
(8*9)+(7*0)+(6*5)+(5*3)+(4*0)+(3*1)+(2*4)+(1*3)=131
131 % 10 = 1
So 905301-43-1 is a valid CAS Registry Number.

905301-43-1Downstream Products

905301-43-1Relevant articles and documents

Low dielectric constant organo-soluble polyimides

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, (2008/06/13)

The present invention provides a series of easily processable poly(ether-imide)s that are organic-soluble and afford low dielectric constants of films, their organic solutions and their manufacturing process. The poly(ether-imide)s is prepared from a dianhydride and a diamine, wherein the diamine is a diamine having tert-butyl group, i.e. 2,6-di-tert-butyl-4-(4-aminopheny)-1-(4-aminophenoxy)benzene the present invention is also direction to synthesis of this special diamine.

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