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20534-81-0

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20534-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20534-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,3 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20534-81:
(7*2)+(6*0)+(5*5)+(4*3)+(3*4)+(2*8)+(1*1)=80
80 % 10 = 0
So 20534-81-0 is a valid CAS Registry Number.

20534-81-0Relevant articles and documents

Grinding synthesis of schiff bases combined with infrared irradiation

Tong, Jian-Ying,Sun, Na-Bo,Wu, Hong-Ke

, p. 5399 - 5401 (2013/07/26)

Solid-phase synthesis combined with infrared irradiation promoted the formation of a series of Schiff bases in the condensation reaction between substituted benzaldehydes and anilines, in the solvent free. Benzaldehydes and anilines, containing either electron withdrawing or electron-releasing groups, were evaluated their substituent effect on the formation of the Schiff bases. Moreover, this new procedure is environmentally benign because no solvent was employed in the transformations.

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