338447-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 338447-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,4,4 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 338447-41:
(8*3)+(7*3)+(6*8)+(5*4)+(4*4)+(3*7)+(2*4)+(1*1)=159
159 % 10 = 9
So 338447-41-9 is a valid CAS Registry Number.
338447-41-9Relevant academic research and scientific papers
Diamine novel acid dianhydride and novel polyimide composition formed therefrom
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Page/Page column 51, (2008/06/13)
An object of present invention is to provide a diamine and an acid dianhydride having photoreactivity and thermoreactivity and a polyimide composition containing the diamine and the acid dianhydride as monomer components, and specifically to synthesize a
