Cas 132256-80-5,Methanone, 4-cinnolinylphenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 132256-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,2,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 132256-80:
(8*1)+(7*3)+(6*2)+(5*2)+(4*5)+(3*6)+(2*8)+(1*0)=105
105 % 10 = 5
So 132256-80-5 is a valid CAS Registry Number.

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132256-80-5Relevant articles and documents

Synthesis of 2-aroylquinoxalines, 1-aroylphthalazines, and 4-aroylcinnolines; an aroylation method using arenecarbaldehydes catalyzed by azolium salt1

Miyashita, Akira,Suzuki, Yumiko,Iwamoto, Ken-Ichi,Oishi, Etsuo,Higashino, Takeo

, p. 405 - 413 (2007/10/03)

2-Aroylquinoxalines (5,6), 1-aroylphthalazines (10,11), and 4-aroylcinnolines (13) were synthesized by using arenecarbaldehydes (2) in the presence of an azolium salt (1) in moderate to good yields. 1,3-Dimethylimidazolium iodide (1a) and sodium sulfinate

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132256-80-5