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881636-32-4

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881636-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 881636-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,6,3 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 881636-32:
(8*8)+(7*8)+(6*1)+(5*6)+(4*3)+(3*6)+(2*3)+(1*2)=194
194 % 10 = 4
So 881636-32-4 is a valid CAS Registry Number.

881636-32-4Upstream product

881636-32-4Downstream Products

881636-32-4Relevant academic research and scientific papers

Helical polycyclic aromatics containing thiophenes: Synthesis and properties

Pei, Jian,Zhang, Wen-Yu,Mao, Jing,Zhou, Xing-Hua

, p. 1551 - 1554 (2006)

A series of planar and non-planar (helical) thiophene-based polycyclic aromatics has been synthesized through the Diels-Alder reaction followed by decarbonylation reactions and FeCl3 oxidative cyclizations.

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