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894406-80-5

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894406-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 894406-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,4,4,0 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 894406-80:
(8*8)+(7*9)+(6*4)+(5*4)+(4*0)+(3*6)+(2*8)+(1*0)=205
205 % 10 = 5
So 894406-80-5 is a valid CAS Registry Number.

894406-80-5Relevant articles and documents

Facile access to (Z)-alkene-containing diketopiperazine mimetics utilizing organocopper-mediated anti-SN2′ reactions

Niida, Ayumu,Oishi, Shinya,Sasaki, Yoshikazu,Mizumoto, Makiko,Tamamura, Hirokazu,Fujii, Nobutaka,Otaka, Akira

, p. 4183 - 4186 (2005)

Regio- and stereoselective anti-SN2′ alkylation of γ-phosphoryloxy-α,β-unsaturated-δ-lactams with organocopper reagents allowing the preparation of N-alkylated-α,δ- substituted-β,γ-unsaturated-δ-lactams as highly functionalized diketopiperazine

Synthesis of (Z)-alkene and (E)-fluoroalkene-containing diketopiperazine mimetics utilizing organocopper-mediated reduction-alkylation and diastereoselectivity examination using DFT calculations

Niida, Ayumu,Mizumoto, Makiko,Narumi, Tetsuo,Inokuchi, Eriko,Oishi, Shinya,Ohno, Hiroaki,Otaka, Akira,Kitaura, Kazuo,Fujii, Nobutaka

, p. 4118 - 4129 (2007/10/03)

We have carefully examined the organocopper-mediated reduction-alkylation of γ-acetoxy or γ,γ-difluoro-α,β-unsaturated- δ-lactams for the synthesis of (Z)-alkene- or (E)-fluoroalkene-containing diketopiperazine mimetics. Reduction of acetates 2, 12, 14, a

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