Cas 922166-72-1,Thiophene, 3,4-dibutyl-2-ethynyl-5-(2-phenylethynyl)-

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Check Digit Verification of cas no

The CAS Registry Mumber 922166-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,2,1,6 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 922166-72:
(8*9)+(7*2)+(6*2)+(5*1)+(4*6)+(3*6)+(2*7)+(1*2)=161
161 % 10 = 1
So 922166-72-1 is a valid CAS Registry Number.

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922166-72-1Relevant academic research and scientific papers

Giant macrocycles composed of thiophene, acetylene, and ethylene building blocks

Nakao, Kazumi,Nishimura, Masayuki,Tamachi, Tomoya,Kuwatani, Yoshiyuki,Miyasaka, Hitoshi,Nishinaga, Tohru,Iyoda, Masahiko

, p. 16740 - 16747 (2007/10/03)

Fully conjugated giant macrocyclic oligothiophenes with 60π, 90π, 120π, 150π, and 180π frames (1, 2, 3, 4 and 5) have been designed, and their butyl-substituted derivatives (1a, 2a, 3a, 4a, and 5a) have been synthesized using modified Sonogashira and McMu

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