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143017-40-7

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143017-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143017-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,1 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143017-40:
(8*1)+(7*4)+(6*3)+(5*0)+(4*1)+(3*7)+(2*4)+(1*0)=87
87 % 10 = 7
So 143017-40-7 is a valid CAS Registry Number.

143017-40-7Relevant articles and documents

INTRAMOLECULAR CYCLIZATION WITH OXOCARBENIUM ION. SYNTHESIS OF 1-AZABICYCLONONENE AND OCTENE DERIVATIVES

Solyom, Sandor,Abraham, Gizella,Szoellosy, Marta,Pallagi, Istvan,Csuzdi, Emese,et al.

, p. 1139 - 1168 (2007/10/02)

Hydroxy- and aryl-substituted 1-azabicyclononene and octene derivatives have been synthesized by the intramolecular cationic cyclization of 4-aryl-1,2,5,6-tetrahydropyridines bearing an acetal moiety in the nitrogen substituent.Factors governing the stereoselectivity of the ring closure step have been disclosed.Two compounds were resolved into the enantiomers and the absolute configuration of one of them was deduced from CD investigations.Among the new compounds substances with valuable antiamnesic effect have been found.

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