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210431-59-7

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210431-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 210431-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,4,3 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 210431-59:
(8*2)+(7*1)+(6*0)+(5*4)+(4*3)+(3*1)+(2*5)+(1*9)=77
77 % 10 = 7
So 210431-59-7 is a valid CAS Registry Number.

210431-59-7Downstream Products

210431-59-7Relevant articles and documents

Highly soluble poly(1,3,4-trisubstituted-2,5-pyrrolenevinylenes)

Murashima, Takashi,Hirai, Kiyomi,Une, Youko,Uchihara, Yuki,Uno, Hidemitsu,Ono, Noboru

, p. 5397 - 5400 (2007/10/03)

Pyrroles having long alkoxy groups on the β-position are prepared and utilized as precursors for polypyrrolenevinylenes. The resulting polymers exhibit high solubility not only in a moderately polar solvent but also in a nonpolar solvent such as hexane. These polymers have deep-blue color in the neutral state, while in the doped state the color is completely faded to transparent.

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