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1421780-61-1

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1421780-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421780-61-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,7,8 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1421780-61:
(9*1)+(8*4)+(7*2)+(6*1)+(5*7)+(4*8)+(3*0)+(2*6)+(1*1)=141
141 % 10 = 1
So 1421780-61-1 is a valid CAS Registry Number.

1421780-61-1Downstream Products

1421780-61-1Relevant articles and documents

Chemoselective preparation of 1,2,3-triazole-isoxazole bisfunctional derivatives and their application in peptidomimetic synthesis

Niu, Teng-Fei,Lv, Mei-Fang,Wang, Liang,Yi, Wen-Bin,Cai, Chun

, p. 1040 - 1048 (2013/02/26)

A novel kind of bisfunctional nitrogen heterocycle containing both 1,2,3-triazole and isoxazole scaffolds has been prepared. The protocol utilized alkynyl substituted amines as the bifunctional linkers to combine a copper-free triazole synthesis with a hypervalent iodine-mediated isoxazole cycloaddition through a chemoselective process. This method has also been exemplified in the construction of bisfunctional-modified peptidomimetics by combining three reactions in a sequential procedure. This straightforward metal free process may find biological applications. In addition, all of the compounds were analysed by Lapinski's rule-of-five which is expected to help drug discovery.

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