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33331-42-9

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33331-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33331-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,3 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33331-42:
(7*3)+(6*3)+(5*3)+(4*3)+(3*1)+(2*4)+(1*2)=79
79 % 10 = 9
So 33331-42-9 is a valid CAS Registry Number.

33331-42-9Downstream Products

33331-42-9Relevant academic research and scientific papers

Copper-Induced Deselenative Coupling of Selenoamides Leading to 1,2-Enediamines

Sekiguchi, Masahito,Ogawa, Akiya,Kambe, Nobuaki,Sonoda, Noboru

, p. 315 - 316 (2007/10/02)

N,N-Disubstituted selenoamides were found to undergo deselenative coupling by the action of copper(0), providing 1,2-enediamines in good yields.The driving force of this reaction may be a high affinity of selenium for soft metals such as copper.

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