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892298-52-1

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892298-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 892298-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,2,2,9 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 892298-52:
(8*8)+(7*9)+(6*2)+(5*2)+(4*9)+(3*8)+(2*5)+(1*2)=221
221 % 10 = 1
So 892298-52-1 is a valid CAS Registry Number.

892298-52-1Downstream Products

892298-52-1Relevant articles and documents

Isomeric 3-isoxadiazolylcoumarins and their derivatives

Detistov, Oleksandr S.,Orlov, Valeriy D.,Zhuravel', Irina O.

, p. 883 - 892 (2012/10/29)

Here, we represent preparative methods of synthesis of isomeric 3-isoxadiazolylcoumarins and their derivatives. Two new synthetic methods have been developed for 3-[1,2,4-oxadiazol-5-yl]coumarins I. The first method is based on a three-component condensation of coumarin-;3-carboxylic acids, 1,1'-carbonyldiimidazole, and amidoximes. The second method essentially uses the interaction of 5-cyanomethyl-1,2,4-oxadiazoles with salicylic aldehydes. General approach for preparation of 3-[1,2,4-oxadiazol-3-yl]coumarins II has been worked out. Moreover, aforementioned synthetic ways open the way for the synthesis of 2-iminoderivatives III and IV not described before, those were diversified by reaction of nucleophilic substitution of 2-imino group with a numerous amino compounds.

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