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83040-09-9

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83040-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83040-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,4 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83040-09:
(7*8)+(6*3)+(5*0)+(4*4)+(3*0)+(2*0)+(1*9)=99
99 % 10 = 9
So 83040-09-9 is a valid CAS Registry Number.

83040-09-9Downstream Products

83040-09-9Relevant articles and documents

New mono- and difunctionalized 2,2,5,5-tetramethylpyrrolidine- and Δ3-pyrroline-1-oxyl nitroxide spin labels

Keana, John F.,Hideg, Kalman,Birrel, G. Bruce,Hankovszky, Olga H.,Ferguson, George,Parvez, Masood

, p. 1439 - 1447 (2007/10/02)

Several new nitroxide spin labels have been prepared.Nitroxide mesylate 5 and p-hydroxyacetophenone gave 6 which was selectively brominated with cupric bromide to give the alkylated agent 7.The more water soluble phenacyl bromide analogue 17 was prepared

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