Cas 78045-01-9,5,8-dihydroxy-2-(2'-hydroxy-4'-methoxy-6'-methylbenzoyl)naphthalene-1,4-diol

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Check Digit Verification of cas no

The CAS Registry Mumber 78045-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,4 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78045-01:
(7*7)+(6*8)+(5*0)+(4*4)+(3*5)+(2*0)+(1*1)=129
129 % 10 = 9
So 78045-01-9 is a valid CAS Registry Number.

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78045-01-9Relevant academic research and scientific papers

Oxidative Coupling. Part 11. Approaches to the Synthesis of Bikaverin

Lewis, John R.,Paul, John G.

, p. 770 - 775 (2007/10/02)

The synthesis of orcinoylhydroquinones has been achieved by photochemical Fries rearrangement of their esters.A study of their oxidation (DDQ) shows that oxidative coupling occurs to produce a spirocyclohexenedione which can be thermally isomerised to the xanthone.The synthesis of a tetracyclic xanthone (related to bikaverin) is described.

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