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55669-57-3

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55669-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55669-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,6 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55669-57:
(7*5)+(6*5)+(5*6)+(4*6)+(3*9)+(2*5)+(1*7)=163
163 % 10 = 3
So 55669-57-3 is a valid CAS Registry Number.

55669-57-3Downstream Products

55669-57-3Relevant articles and documents

Cu(I) mediated one-pot synthesis of azobenzenes from bis-Boc aryl hydrazines and aryl halides

Kim, Kyu-Young,Shin, Jeong-Taek,Lee, Kang-Sang,Cho, Cheon-Gyu

, p. 117 - 120 (2007/10/03)

N,N′-bis-Boc aryl hydrazines underwent Cu(I) catalyzed couplings with aryl halides to provide N,N′-bis-Boc diaryl hydrazines. The resulting N,N′-bis-Boc diaryl hydrazines are readily oxidized to the azobenzenes in the presence of Cu(I) and a base. A prolo

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