Cas 195720-07-1,C<sub>32</sub>H<sub>28</sub>

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Check Digit Verification of cas no

The CAS Registry Mumber 195720-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,7,2 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 195720-07:
(8*1)+(7*9)+(6*5)+(5*7)+(4*2)+(3*0)+(2*0)+(1*7)=151
151 % 10 = 1
So 195720-07-1 is a valid CAS Registry Number.

195720-07-1Upstream product

163394-46-5 9,10-diphenyl[6](1,4)anthracenophane

195720-07-1Downstream Products

163394-46-5 9,10-diphenyl[6](1,4)anthracenophane

195720-07-1Relevant academic research and scientific papers

Synthesis and Structure of (1,4)Naphthalenophane and (1,4)Anthracenophane and Their Peri-Substituted Derivatives

Tobe, Yoshito,Saiki, Shinji,Minami, Hirokazu,Naemura, Koichiro

, p. 1935 - 1942 (1997)

(1,4)Naphthalenophane (1a), (1,4)anthracenophane (2a), and their peri-substituted derivatives 1b, 1c, and 2b were synthesized from 8-bromoparacyclophane (4) by a benzoannelation method.The 1H NMR spectral properties of 1b, 1c, and 2b as well as t

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