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1240593-43-4

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1240593-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240593-43-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,5,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1240593-43:
(9*1)+(8*2)+(7*4)+(6*0)+(5*5)+(4*9)+(3*3)+(2*4)+(1*3)=134
134 % 10 = 4
So 1240593-43-4 is a valid CAS Registry Number.

1240593-43-4Downstream Products

1240593-43-4Relevant articles and documents

METHOD FOR PRODUCING PHENYL-SUBSTITUTED HETEROCYCLIC DERIVATIVE BY MEANS OF COUPLING METHOD USING PALLADIUM COMPOUND

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Paragraph 0316; 0317; 0318, (2013/06/28)

The present invention provides a method for producing a xanthine oxidase inhibitor, which is a therapeutic agent for hyperuricemia, or intermediates of the same, said method being efficient and using a short process. The present invention is a novel coupling method for obtaining a compound represented by formula (3) by bringing about a coupling reaction between a compound represented by formula (1) and a compound represented by formula (2), in the presence of a palladium compound, a ligand capable of coordinating to the palladium compound, a base, a C1-C40 carboxylic acid, and at least one kind of additive.

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