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137490-86-9

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137490-86-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137490-86-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,9 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137490-86:
(8*1)+(7*3)+(6*7)+(5*4)+(4*9)+(3*0)+(2*8)+(1*6)=149
149 % 10 = 9
So 137490-86-9 is a valid CAS Registry Number.

137490-86-9Relevant articles and documents

Substituted Dihydroisoquinolinones by Iodide-Promoted Cyclocarbonylation of Aromatic α-Amino Acids

Amer, Mostafa M.,Carrasco, Ana C.,Leonard, Daniel J.,Ward, John W.,Clayden, Jonathan

supporting information, p. 7977 - 7981 (2019/01/04)

Imidazolidinone derivatives of a range of aromatic α-amino acids, on treatment with phosgene and potassium iodide, undergo a mild Bischler-Napieralski-style cyclocarbonylation reaction that generates a tricyclic lactam by insertion of a C=O group between amino acid nitrogen and the ortho position of the aryl substituent. Regio- and diastereoselective functionalization of the lactam generates a library of substituted dihydroisoquinolinones and their congeners in enantioenriched form.

New renin-inhibitory peptides and their use

-

, (2008/06/13)

Compounds of formulaR 1 CO--NH--CH(R 2)--CONH--CH(R 3)--X[wherein:R 1 represents alkyl having an α-amino or protected α-amino substituent and an aryl, heterocyclic or heterocyclic-dithio substituent;R 2 represents a variety of aliphatic and cycloaliphatic

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