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1354647-68-9

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1354647-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1354647-68-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,4,6,4 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1354647-68:
(9*1)+(8*3)+(7*5)+(6*4)+(5*6)+(4*4)+(3*7)+(2*6)+(1*8)=179
179 % 10 = 9
So 1354647-68-9 is a valid CAS Registry Number.

1354647-68-9Downstream Products

1354647-68-9Relevant articles and documents

New synthesis of 2-benzimidazoleacetates and study of their Knoevenagel reaction

Yang, Peng Hui,Zhang, Qun Zheng,Yu, Hong Jiang

, p. 1403 - 1409 (2012/11/07)

To obtain 2-benzimidazolyl acrylate 2, a new efficient synthesis of 2-benzimidazoleacetate, involving esterification of 2-benzimidazole acetic acid at low temperature as the crucial step, was developed. The generality and efficiency of the process was illustrated by the high-yield synthesis of methyl, ethyl, i-propyl, and n-butyl 2-benzimidazoleacetate. The Knoevenagel reaction of 2-benzimidazoleacetate with aromatic aldehydes was studied. It was found that only in the presence of a catalytic amount of morpholine could the Knoevenagel reaction proceed to give the expected 3-aryl-2-benzimidazolyl acrylate. A mechanism for the morpholinecatalyzed reaction is suggested. Springer Science+Business Media B.V. 2011.

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