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1170659-63-8

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1170659-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1170659-63-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,0,6,5 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1170659-63:
(9*1)+(8*1)+(7*7)+(6*0)+(5*6)+(4*5)+(3*9)+(2*6)+(1*3)=158
158 % 10 = 8
So 1170659-63-8 is a valid CAS Registry Number.

1170659-63-8Downstream Products

1170659-63-8Relevant articles and documents

Synthesis of 2,5-diaryloxazoles through van Leusen reaction and copper-mediated direct arylation

Yoshizumi, Tomoki,Satoh, Tetsuya,Hirano, Koji,Matsuo, Daisuke,Orita, Akihiro,Otera, Junzo,Miura, Masahiro

experimental part, p. 3273 - 3276 (2009/08/09)

The direct arylation of 5-aryloxazoles, prepared by the van Leusen reaction, with various aryl iodides is effectively promoted by a system of CuI combined with PPh3 and Na2CO3 as a ligand and a base, respectively, in DMF to produce the corresponding 2,5-diaryloxazoles in good yields.

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