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1173178-67-0

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1173178-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173178-67-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,1,7 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1173178-67:
(9*1)+(8*1)+(7*7)+(6*3)+(5*1)+(4*7)+(3*8)+(2*6)+(1*7)=160
160 % 10 = 0
So 1173178-67-0 is a valid CAS Registry Number.

1173178-67-0Downstream Products

1173178-67-0Relevant articles and documents

Copper-mediated direct arylation of 1,3,4-oxadiazoles and 1,2,4-triazoles with aryl iodides

Kawano, Tsuyoshi,Yoshizumi, Tomoki,Hirano, Koji,Satoh, Tetsuya,Miura, Masahiro

supporting information; experimental part, p. 3072 - 3075 (2009/12/06)

The copper-mediated direct arylation of 1,3,4-oxadiazoles and 1,2,4-triazoles with aryl iodides proceeds efficiently in the presence of suitable ligands and bases. This method allows the installation of a variety of aryl moieties bearing a functional group such as ketone, ester, or nitrile so as to enable the facile construction of various functionalized oxadiazole and triazole core π systems.

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