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1009816-43-6

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1009816-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1009816-43-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,8,1 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1009816-43:
(9*1)+(8*0)+(7*0)+(6*9)+(5*8)+(4*1)+(3*6)+(2*4)+(1*3)=136
136 % 10 = 6
So 1009816-43-6 is a valid CAS Registry Number.

1009816-43-6Relevant articles and documents

Process for preparing phenoxypyridine derivatives

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Page/Page column 30, (2008/12/08)

A process for preparing a compound represented by the formula (I): comprising reacting a compound represented by the formula (II) or salt thereof: with a compound represented by the formula (III): in the presence of a condensation reagent, wherein R1 represents 1) optionally substituted azetidin-1-yl, 2) optionally substituted pyrrolidin-1-yl, 3) optionally substituted piperidin-1-yl, etc.; R2, R3, R4 and R5 may be the same or different and each represents hydrogen or fluorine; and R6 represents hydrogen or fluorine.

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