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743442-80-0

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743442-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 743442-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,3,4,4 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 743442-80:
(8*7)+(7*4)+(6*3)+(5*4)+(4*4)+(3*2)+(2*8)+(1*0)=160
160 % 10 = 0
So 743442-80-0 is a valid CAS Registry Number.

743442-80-0Downstream Products

743442-80-0Relevant articles and documents

Iminoiodane mediated aziridination of α-allylglycine: Access to a novel rigid arginine derivative and to the natural amino acid enduracididine

Sanière, Laurent,Leman, Lo?c,Bourguignon, Jean-Jacques,Dauban, Philippe,Dodd, Robert H.

, p. 5889 - 5897 (2007/10/03)

The synthesis of fully protected aminodihydrohistidines in optically pure form is described starting from allylglycine derivatives. These compounds represent novel conformationally constrained analogues of arginine, one of them being, in addition, a protected form of the marine natural product, enduracididine. The key step of the strategy is a one-pot copper-catalyzed aziridination of t-butyl (S)-N-(9-phenyl-9H-fluoren-9-yl)allylglycinate ((S)-16) with 2-trimethylsilylethanesulfonamide in the presence of iodosylbenzene.

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