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79251-83-5

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79251-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79251-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,2,5 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79251-83:
(7*7)+(6*9)+(5*2)+(4*5)+(3*1)+(2*8)+(1*3)=155
155 % 10 = 5
So 79251-83-5 is a valid CAS Registry Number.

79251-83-5Relevant articles and documents

N-acylcarbazole as a selective transamidation reagent

Kang, Bubwoong,Kuse, Masaki,Okamura, Hironori,Sakai, Asumi,Satoh, Tetsuya,Shinada, Tetsuro,Yasuno, Yoko

, p. 993 - 999 (2020/09/22)

N-acylation reaction offers an opportunity to develop an efficient synthesis of amide group-containing molecules. We found that N-acyl carbazoles showed remarkable selectivity in transamidation. Sterically less hindered primary amines are selectively acylated with N-acyl carbazoles without any additives. Various functional groups such as alcohol, phenol, indole, and aniline moieties are tolerated under mild conditions. The synthetic utility was displayed in one-pot synthesis of an N-acyl polyamine natural product. The terminal amines of spermidine were selectively benzoylated with N-benzoyl carbazole, followed by acetylation reaction accomplished the total synthesis in a highly efficient manner.

Peptide-bond Formation, Chemoselective Acylation of Amino Acids, and Crosslinking Reaction between Amino Acids Utilizing a Functional Five-membered Heterocycle, 1,3-Thiazolidine-2-thione

Nagao, Yoshimitsu,Miyasaka, Tadayo,Seno, Kaoru,Fujita, Eiichi,Shibata, Daisuke,Doi, Etsushiro

, p. 2439 - 2446 (2007/10/02)

The monitored aminolysis of 3-acyl-1,3-thiazolidine-2-thiones has been extended to the peptide-bond formation, the chemoselective acylation of amino acids having multifunctional groups, and the crosslinking reaction between amino acids.

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