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83303-19-9

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83303-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83303-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83303-19:
(7*8)+(6*3)+(5*3)+(4*0)+(3*3)+(2*1)+(1*9)=109
109 % 10 = 9
So 83303-19-9 is a valid CAS Registry Number.

83303-19-9Downstream Products

83303-19-9Relevant articles and documents

Preparation of aromatic amines

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, (2008/06/13)

Aromatic amines (anilines) are obtained directly or via the corresponding cycloaliphatic amines by an aminating/hydrogenating reaction of phenols with ammonia and hydrogen over a supported palladium catalyst which also contains elements from group 1b, 2b or 7b of the periodic table as well as iron, cobalt or nickel, as such or in the form of their compounds, and, preferably, an inorganic base, said catalysts also having dehydrogenating properties.

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