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140665-34-5

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140665-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140665-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,6 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 140665-34:
(8*1)+(7*4)+(6*0)+(5*6)+(4*6)+(3*5)+(2*3)+(1*4)=115
115 % 10 = 5
So 140665-34-5 is a valid CAS Registry Number.

140665-34-5Downstream Products

140665-34-5Relevant articles and documents

Pd(II)-catalyzed bromo- and chlorodecarboxylation of electron-rich arenecarboxylic acids

Peng, Xuefeng,Shao, Xiang-Feng,Liu, Zhong-Quan

supporting information, p. 3079 - 3081 (2013/07/11)

A bromo- and chlorodecarboxylation of various aromatic carboxylic acids catalyzed by Pd(II) has been developed in this work. A series of electron-rich arenecarboxylic acids gave the corresponding decarboxylative monohalogenation products under the typical reaction conditions.

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