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1264754-10-0

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1264754-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1264754-10-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,4,7,5 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1264754-10:
(9*1)+(8*2)+(7*6)+(6*4)+(5*7)+(4*5)+(3*4)+(2*1)+(1*0)=160
160 % 10 = 0
So 1264754-10-0 is a valid CAS Registry Number.

1264754-10-0Downstream Products

1264754-10-0Relevant articles and documents

Pd-catalyzed amination of dibromobiphenyls in the synthesis of macrocycles comprising two biphenyl and two polyamine moieties

Uglov, Alexei N.,Averin, Alexei D.,Buryak, Alexei K.,Beletskaya, Irina P.

experimental part, p. 99 - 122 (2011/06/23)

Two approaches to the synthesis of polyazamacrocycles containing two biphenyl and two polyamine moieties are described. The first route comprises the synthesis of N,N'-bis(bromobiphenyl) substituted di- and poly-amines by the reactions of 2.2-3 equivalents of 4,4'- or 3,3'-dibromobiphenyls with corresponding di- and polyamines followed by the reaction with a second molecule of the amine. The second approach includes the synthesis of bis(polyamine) substituted biphenyls by the reactions of 4,4'- or 3,3'-dibromobiphenyls with four equivalents of di- and poly-amines with subsequent reaction of these in situ prepared intermediates with dibromobiphenyls. The yields of target macrocycles obtained according to two routes are compared and the advantage of the approach via bis(polyamine) substituted biphenyls in the majority of cases is established. Side products, when formed in all reactions, were analyzed. ARKAT USA, Inc.

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