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1415641-78-9

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1415641-78-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1415641-78-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,6,4 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1415641-78:
(9*1)+(8*4)+(7*1)+(6*5)+(5*6)+(4*4)+(3*1)+(2*7)+(1*8)=149
149 % 10 = 9
So 1415641-78-9 is a valid CAS Registry Number.

1415641-78-9Downstream Products

1415641-78-9Relevant academic research and scientific papers

Protonation-induced cyclization of 1,8-bis(arylethynyl)anthraquinones: Monopyrylium salt formation and intensification of donor-acceptor interaction

Rao, Koya Prabhakara,Kondo, Mio,Sakamoto, Ryota,Kusamoto, Tetsuro,Kume, Shoko,Nishihara, Hiroshi

supporting information, p. 1456 - 1458 (2013/05/22)

We previously reported protonation-induced double cyclization reaction of 1,4-Ar2Aq and 1,5-Ar2Aq (Ar2Aq: bis(arylethynyl) anthraquinone) with strong acid HX that generated the corresponding dipyrylium salts [1,4-Ar2

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