Cas 90340-72-0,diethyl 2,2'-<t-2,t-4-di(naphthalen-2-yl)cyclobutane-r-1,c-3-diyl>dibenzoate

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Check Digit Verification of cas no

The CAS Registry Mumber 90340-72-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,4 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90340-72:
(7*9)+(6*0)+(5*3)+(4*4)+(3*0)+(2*7)+(1*2)=110
110 % 10 = 0
So 90340-72-0 is a valid CAS Registry Number.

90340-72-0Upstream product

208175-87-5 ethyl (Z)-and(E)-2-<2-(naphthalen-2-yl)ethenyl>benzoate

90340-72-0Downstream Products

90340-72-0Relevant academic research and scientific papers

The Photochemistry of Alkyl 2-(Naphthalenyl)ethenylbenzoates:Photodehydrocyclization and Photodimerization Products and Their Structural Elucidation by 1H and 13C N.M.R.

Jones, Alan J.,Teitei, Tsutomu

, p. 561 - 576 (2007/10/02)

Irradiation of alkyl 2-benzoates in benzene gave the photodehydrocyclization product, the chrysenecarboxylates (3) as well as two of the photodimerization products, the cyclobutanes (6) and (7).Similarly, irradiation of alkyl 2

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