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342886-91-3

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342886-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 342886-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,8,8 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 342886-91:
(8*3)+(7*4)+(6*2)+(5*8)+(4*8)+(3*6)+(2*9)+(1*1)=173
173 % 10 = 3
So 342886-91-3 is a valid CAS Registry Number.

342886-91-3Downstream Products

342886-91-3Relevant articles and documents

Inter- and intra-molecular pathways in polyamine synthesis from diamines

Choi, Min-Ho,Kim, Bok Jo,Kim, Il-Chool,Kim, Seo-Hyang,Kim, Yang,Harrowfield, Jack M.,Lee, Man-Kil,Mocerino, Mauro,Rukmini, Elisabeth,Skelton, Brian W.,White, Allan H.

, p. 707 - 722 (2001)

Characterisation, largely through crystal structure determinations of their metal complexes, of the polyamine products of several reactions between (in all but one case) polyalcohol benzenesulfonates and 1,2- and 1,3-diamines, confirmed that intramolecular reaction pathways are important only in the 1,2-diamine reactions. Even under conditions where the amine reactants are in large excess, however, it is possible to obtain products resulting from alkylation of a diamine by more than one molecule of sulfonate (or, in one case, of a bromochloroalkane). In metal ion complexes formed by the new ligands there are examples of only partial coordination of the N-donor sites, giving species which might be suitable for further, selective functionalisation at the unbound centres. Conversion of the complexes into macrocyclic derivatives also suited to further functionalisation is straightforward.

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