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544459-32-7

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544459-32-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 544459-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,4,4,5 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 544459-32:
(8*5)+(7*4)+(6*4)+(5*4)+(4*5)+(3*9)+(2*3)+(1*2)=167
167 % 10 = 7
So 544459-32-7 is a valid CAS Registry Number.

544459-32-7Downstream Products

544459-32-7Relevant articles and documents

Ru-catalyzed hydroamidation of alkenes and cooperative aminocarboxylation procedure with chelating formamide

Ko, Sangwon,Han, Hoon,Chang, Sukbok

, p. 2687 - 2690 (2007/10/03)

(Matrix presented) A strategy of chelation-assisted activation of formamide was employed to achieve hydroamidation of alkenes to generate one-carbon-elongated amides in moderate to good selectivity and yields. Also reported is the two-metal-catalyzed cooperative aminocarboxylation of aryl iodides, in which Ru is presumed to catalyze decarbonylation of formamide to release carbon monoxide and amine for the subsequent Pd-catalyzed aminocarboxylation routes, thus enabling the net transformation to be performed in the absence of external CO pressure.

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