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1257151-33-9

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1257151-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257151-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,1,5 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1257151-33:
(9*1)+(8*2)+(7*5)+(6*7)+(5*1)+(4*5)+(3*1)+(2*3)+(1*3)=139
139 % 10 = 9
So 1257151-33-9 is a valid CAS Registry Number.

1257151-33-9Upstream product

1257151-33-9Relevant academic research and scientific papers

COMPOUNDS AND METHODS FOR CHELATING METALS IN AQUEOUS SOLUTIONS

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Page/Page column 26-30, (2010/12/26)

The present invention relates to a new class of organic compounds and their use, for example, to sequester metal ions, including actinides (such as uranium and plutonium), precious metals (such as gold, silver and platinum) and all other metals (such as transition metals), from aqueous solutions, such as bodies of water (including but not limited to ocean water, seawater, river water) and all other aqueous solutions. Specifically, the present invention relates to a new class of polydentate organic chelating agents and methods for their use to recover metals from aqueous solutions, such as uranium from seawater.

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