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N-methyl-3,5-dinitrophthalimide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81116-64-5

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81116-64-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81116-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,1 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81116-64:
(7*8)+(6*1)+(5*1)+(4*1)+(3*6)+(2*6)+(1*4)=105
105 % 10 = 5
So 81116-64-5 is a valid CAS Registry Number.

81116-64-5Relevant academic research and scientific papers

92. Aromatic Nucleophilic Substitution. Part 1. Regiospecific Substitution of the Nitro Groups in 3,5-Dinitrophthalic-Acid Derivatives

Fischer, Walter,Kvita, Vratislav

, p. 846 - 853 (2007/10/02)

The regioselectivity of nucleophilic substitution of the nitro groups in 3,5-dinitrophthalic anhydrides and 3,5-dinitrophthalimides (Scheme) with a variety of nucleophiles (Nu(1-)) was studied.In all case, the 3-nitro group was selectively substituted.With excess of the same nucleophilic reagent or with other nucleophiles, the 5-nitro group could subsequently be replaced.

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