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1240593-44-5

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1240593-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240593-44-5 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 4 respectively.
Calculate Digit Verification of CAS Registry Number 1240593-44:
(9*1)+(8*2)+(7*4)+(6*0)+(5*5)+(4*9)+(3*3)+(2*4)+(1*4)=135
135 % 10 = 5
So 1240593-44-5 is a valid CAS Registry Number.

1240593-44-5Downstream Products

1240593-44-5Relevant articles and documents

PROCESS FOR PRODUCING PHENYL-SUBSTITUTED HETEROCYCLIC DERIVATIVE THROUGH COUPLING USING TRANSITION METAL CATALYST

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Page/Page column 22, (2012/01/13)

A process for efficiently producing, through few steps either a xanthine oxidase inhibitor, which is a therapeutic agent for hyperuricemia, or an intermediate therefore. The process is a novel coupling process which comprises subjecting a compound represented by formula (1) to coupling reaction with a compound represented by formula (2) in the presence of a transition metal compound to thereby obtain a compound represented by formula (3).

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