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897922-08-6

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897922-08-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 897922-08-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,7,9,2 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 897922-08:
(8*8)+(7*9)+(6*7)+(5*9)+(4*2)+(3*2)+(2*0)+(1*8)=236
236 % 10 = 6
So 897922-08-6 is a valid CAS Registry Number.

897922-08-6Relevant articles and documents

3,4-Ethylenedioxythiophene functionalizationed with tetrathiafulvalene: Synthesis and selective esterification

Zhang, Lei,Wu, Changzhi,Wang, Chengyun,Zuo, Hujin,Shen, Yongjia

, p. 1277 - 1281 (2015)

3,4-(Hydroxymethyl-ethylenedioxy)thiophene (4) and 3,4-(2′-hydroxypropylenedioxy)thiophene (4'′) were synthesized from dimethyl 3,4-dihydroxythiophene-2,5-dicarboxylate (1), which were isomers and difficult to separate. When they were esterified with tetr

DERIVATIZED 3,4-ALKYLENEDIOXYTHIOPHENE MONOMERS, METHODS OF MAKING THEM, AND USE THEREOF

-

Page/Page column 26, (2008/06/13)

The present invention relates to methods of making derivatized 3,4-alkylenedioxythiophene monomers and methods of using the 3,4-alkylenedioxythiophene monomers.

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