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111997-61-6

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111997-61-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111997-61-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,9 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111997-61:
(8*1)+(7*1)+(6*1)+(5*9)+(4*9)+(3*7)+(2*6)+(1*1)=136
136 % 10 = 6
So 111997-61-6 is a valid CAS Registry Number.

111997-61-6Relevant articles and documents

Synthesis and antimycobacterial activity of 4-(5-substituted-1,3,4-oxadiazol-2-yl)pyridines

Navarrete-Vazquez, Gabriel,Molina-Salinas, Gloria Maria,Duarte-Fajardo, Zetel Vahi,Vargas-Villarreal, Javier,Estrada-Soto, Samuel,Gonzalez-Salazar, Francisco,Hernandez-Nunez, Emanuel,Said-Fernandez, Salvador

, p. 5502 - 5508 (2008/03/14)

4-(5-Substituted-1,3,4-oxadiazol-2-yl)pyridine derivatives 1-12 were synthesized and evaluated for their in vitro antimycobacterial activity. Some compounds showed an interesting activity against Mycobacterium tuberculosis H37Rv and five clinic

Studies on Thioamides and Their Derivatives,VI. New Synthesis of 5-Membered Heterocyclic Compounds

Santus, Maria

, p. 179 - 182 (2007/10/02)

Simple N-monosubstituted thioamides react with acid hydrazides to form 1,2,4-triazole derivatives.N,N-Disubstituted thioamides alkylated with methyl iodide readily yield with acid hydrazides 1,3,4-oxadiazoles.

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