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3-(4-(4-chlorobenzoyl)thio)phthalic anhydride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1304094-40-3

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1304094-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1304094-40-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,0,9 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1304094-40:
(9*1)+(8*3)+(7*0)+(6*4)+(5*0)+(4*9)+(3*4)+(2*4)+(1*0)=113
113 % 10 = 3
So 1304094-40-3 is a valid CAS Registry Number.

1304094-40-3Upstream product

1304094-40-3Relevant academic research and scientific papers

Comparative study on polyimides from isomeric 3,3′-, 3,4′-, and 4,4′-linked bis(thioether anhydride)s

Wei, Haibing,Pei, Xueliang,Fang, Xingzhong

, p. 2484 - 2494 (2011)

Three isomeric bis(thioether anhydride) monomers, 4,4′-bis(2,3- dicarboxyphenylthio) diphenyl ketone dianhydride (3,3′-PTPKDA), 4,4′-bis(3,4-dicarboxyphenylthio) diphenyl ketone dianhydride (4,4′-PTPKDA), and 4-(2,3-dicarboxyphenylthio)-4′-(3,4- dicarboxy

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