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74141-38-1

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74141-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74141-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,4 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74141-38:
(7*7)+(6*4)+(5*1)+(4*4)+(3*1)+(2*3)+(1*8)=111
111 % 10 = 1
So 74141-38-1 is a valid CAS Registry Number.

74141-38-1Downstream Products

74141-38-1Relevant articles and documents

Fe(HSO4)3·SiO2 as an efficient, heterogeneous and recyclable catalyst for the synthesis of bis-(β-enaminones) and bis-(β-enamino esters)

Eshghi, Hossein,Safaei, Elham,Mohamad Seyedi, Seyed,Eshghi, Tahereh

, p. 1088 - 1093 (2014)

Fe(HSO4)3·SiO2 is used to catalyze the condensation of b-diketones and b-keto esters with aromatic and aliphatic diamines in solvent-free conditions at room temperature. This afforded the corresponding bis-(β-enaminones) a

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