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193688-13-0

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193688-13-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193688-13-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,6,8 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 193688-13:
(8*1)+(7*9)+(6*3)+(5*6)+(4*8)+(3*8)+(2*1)+(1*3)=180
180 % 10 = 0
So 193688-13-0 is a valid CAS Registry Number.

193688-13-0Downstream Products

193688-13-0Relevant articles and documents

Synthesis of New Type Benzo[b]thiophene Fused Quinones and their Tetracyanoquinodimethane Derivatives

Ohba, Yoshihiro,Murakami, Yasuo,Sone, Tyo,Awano, Hiroshi

, p. 781 - 787 (1997)

A series of new type of benzo[b]thiophene-fused 1,4-benzoquinones and their tetracyanoquinodimethane derivatives were synthesized. The cyclic voltammetric data of new type quinones and tetracyanoquinodimethane derivatives displayed different behavior. All new quinones exhibit two reduction waves corresponding to the radical anion and dianion. On the other hand, most tetracyanoquinodunethane derivatives display a singlewave reduction to the dianion. The benzo[b]thiophene moiety fused tetracyanoquinodimethane derivatives reveal more negative reduction potentials than that of tetracyanoquinodimethane.

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