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1169199-21-6

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1169199-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1169199-21-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,9,1,9 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1169199-21:
(9*1)+(8*1)+(7*6)+(6*9)+(5*1)+(4*9)+(3*9)+(2*2)+(1*1)=186
186 % 10 = 6
So 1169199-21-6 is a valid CAS Registry Number.

1169199-21-6Downstream Products

1169199-21-6Relevant articles and documents

SuFExable Isocyanides for Ugi Reaction: Synthesis of Sulfonyl Fluoro Peptides

Xu, Shuheng,Cui, Sunliang

, p. 5197 - 5202 (2021/07/20)

Herein, the sulfonyl fluoro isocyanides were first developed as a new type of SuFExable synthon, and they are used as building blocks in the Ugi reaction (U-4CR). The Ugi reaction was established and the substrate scope was investigated, and various sulfonyl fluoro α-amino amides and peptides could be reached in a one-step synthesis. Therefore, this protocol opens a new vision for SuFExable building blocks and click chemistry, and it also provides a distinct approach to sulfonyl fluoro peptides.

Synthesis of β-aminoethanesulfonyl fluorides or 2-substituted taurine sulfonyl fluorides as potential protease inhibitors

Brouwer, Arwin J.,Ceylan, Tarik,Linden, Tima van der,Liskamp, Rob M.J.

body text, p. 3391 - 3393 (2009/09/05)

Substituted taurine sulfonyl fluorides derived from taurine or protected amino acids are conveniently synthesized from β-aminoethanesulfonyl chlorides using KF/18-crown-6 or from β-aminoethanesulfonates using DAST.

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