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1629992-63-7

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1629992-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1629992-63-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,9,9,9 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1629992-63:
(9*1)+(8*6)+(7*2)+(6*9)+(5*9)+(4*9)+(3*2)+(2*6)+(1*3)=227
227 % 10 = 7
So 1629992-63-7 is a valid CAS Registry Number.

1629992-63-7Downstream Products

1629992-63-7Relevant academic research and scientific papers

Ring-closing metathesis reaction-based synthesis of new classes of polyether macrocyclic systems

Naveen,Babu, Srinivasarao Arulananda

, p. 7758 - 7781 (2015/09/08)

Ring closing metathesis (RCM) reactions of suitable substrates having terminal olefins, which are assembled from various linkers and hydroxy benzaldehydes and syntheses of a wide range of 16-30 membered, new crown ether-type polyether, aza-polyether, bis aza-polyether macrocycles and dilactone moiety embedded polyether macrocycles (macrolides) are reported. After the ring-closure reaction, installation of different functional groups and functional group modification on the periphery of the synthesized polyether/crown ether macrocycles obtained in the RCM reactions are accomplished using the epoxidation, oxidation and catalytic hydrogenation-based synthetic transformations. Along this line, the syntheses of a variety of polyether macrocycles possessing epoxide or α-hydroxy ketone or 1,2-diol functionalities at the periphery have been shown. Furthermore, the synthesized α-hydroxy ketone functionality installed polyether macrocycles were subjected to the allylation and Reformatsky type reactions to obtain homoallyl alcohol moiety-based and lactone ring-appended polyether macrocycles.

Glaser-Eglinton-Hay sp-sp coupling and macrocyclization: Construction of a new class of polyether macrocycles having a 1,3-diyne unit

Naveen,Babu, Srinivasarao Arulananda,Kaur, Gurpreet,Aslam, Nayyar Ahmad,Karanam, Maheswararao

, p. 18904 - 18916 (2014/05/20)

Glaser-Eglinton-Hay-type sp-sp coupling, macrocyclization and the construction of skeletally interesting, 18-27 membered, polyether macrocycles having a 1,3-diyne unit-based cylindrical backbone are reported. The utility of polyether macrocycles having th

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