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918161-10-1

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918161-10-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 918161-10-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,8,1,6 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 918161-10:
(8*9)+(7*1)+(6*8)+(5*1)+(4*6)+(3*1)+(2*1)+(1*0)=161
161 % 10 = 1
So 918161-10-1 is a valid CAS Registry Number.

918161-10-1Relevant articles and documents

Protecting-Group-Free Amidation of Amino Acids using Lewis Acid Catalysts

Sabatini, Marco T.,Karaluka, Valerija,Lanigan, Rachel M.,Boulton, Lee T.,Badland, Matthew,Sheppard, Tom D.

supporting information, p. 7033 - 7043 (2018/05/04)

Amidation of unprotected amino acids has been investigated using a variety of ‘classical“ coupling reagents, stoichiometric or catalytic group(IV) metal salts, and boron Lewis acids. The scope of the reaction was explored through the attempted synthesis of amides derived from twenty natural, and several unnatural, amino acids, as well as a wide selection of primary and secondary amines. The study also examines the synthesis of medicinally relevant compounds, and the scalability of this direct amidation approach. Finally, we provide insight into the chemoselectivity observed in these reactions.

Multicomponent diversity and enzymatic enantioselectivity as a route towards both enantiomers of α-amino acids-a model study

Szymanski, Wiktor,Ostaszewski, Ryszard

, p. 2667 - 2671 (2007/10/03)

A model study on a new, enantioconvergent method for the synthesis of chiral, nonracemic α-amino acids is presented. α-Acetoxyamides obtained in a Passerini multicomponent reaction are selectively hydrolyzed by Wheat Germ lipase. Studies on conversion of the thus obtained, enantiomerically enriched α-hydroxyamides into α-aminoamides are presented. Products of these reactions are then hydrolyzed to give α-amino acids.

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