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143718-68-7

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143718-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143718-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,1 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143718-68:
(8*1)+(7*4)+(6*3)+(5*7)+(4*1)+(3*8)+(2*6)+(1*8)=137
137 % 10 = 7
So 143718-68-7 is a valid CAS Registry Number.

143718-68-7Downstream Products

143718-68-7Relevant articles and documents

CuBr2-Promoted Multicomponent Aerobic Reaction for the Synthesis of 1,2,3-Triaroylindolizines

Sun, Jinwei,Han, Junwen,Zhang, Yuxuan,Liu, Yun

, p. 2253 - 2261 (2019/07/31)

An efficient synthesis of 1,2,3-triaroylindolizines has been developed via CuBr2-promoted reaction of three molecules of aromatic methyl ketones and one molecule of pyridine derivative. A wide range of methyl aryl ketones and methyl heteroaryl

A facile preparation of 1,2,3-triaroylindolizines

Wei,Hu,Li,Hu

, p. 2103 - 2109 (2007/10/02)

Fourteen 1,2,3-triaroylindolizines were prepared conveniently by oxidation of corresponding N-aracyl pyridinium or substituted pyridinium bromides with a versatile oxidant (TPCD) [(Py4Co(HCrO4)2, tetrakis-pyridino-cobalt (

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