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200930-73-0

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200930-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200930-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,9,3 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 200930-73:
(8*2)+(7*0)+(6*0)+(5*9)+(4*3)+(3*0)+(2*7)+(1*3)=90
90 % 10 = 0
So 200930-73-0 is a valid CAS Registry Number.

200930-73-0Downstream Products

200930-73-0Relevant articles and documents

DIAMINE COMPOUND, POLYIMIDE PRECURSOR AND POLYIMIDE FILM PREPARED BY USING SAME

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Paragraph 0183-0186; 0213-0215, (2020/07/01)

The present invention includes a sulfonyl group (sulfonyl). A polyimide precursor and a manufacturing method thereof are provided to improve reactivity during polymerization and to remarkably increase molecular weight by including a novel diamine as a polymerization component. , It is possible to provide a polyimide film having improved mechanical and thermal properties while maintaining the optical properties of the polyimide containing a sulfonyl group. (by machine translation)

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