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143128-42-1

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143128-42-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143128-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,1,2 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 143128-42:
(8*1)+(7*4)+(6*3)+(5*1)+(4*2)+(3*8)+(2*4)+(1*2)=101
101 % 10 = 1
So 143128-42-1 is a valid CAS Registry Number.

143128-42-1Downstream Products

143128-42-1Relevant articles and documents

ARYL DERIVATIVES

-

, (2008/06/13)

The invention concerns an aryl derivative of the formula I, wherein Ar1 is optionally substituted phenyl, naphthyl or a heterocyclic moiety, and X1 is oxy, thio, sulphinyl, sulphonyl, difluoromethylene, imino, (1-4C)alkylimino or optionally substituted (1-4C) alkylene, or X1 is a group of the formula wherein X4 is oxy, thio, sulphinyl, sulphonyl or carbonyl and each R is hydrogen, methyl or ethyl each of Ar2 and Ar3 is optionally substituted phenylene X2 is oxy, thio, sulphinyl or sulphonyl R1 is (1-4C)alkyl and R2 and R3 together form a group of the formula A1 X3 A2 which together with the carbon atom to which A1 and A2 are attached define a ring having 5 to 7 ring atoms, wherein each of A1 and A2 is (1-3C) alkylene and X3 is oxy, thio, sulphinyl or sulphonyl which compounds are inhibitors of 5-lipoxygenase and are useful in the treatment of inflammatory or allergic disease

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