189886-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189886-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,8 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 189886-40:
(8*1)+(7*8)+(6*9)+(5*8)+(4*8)+(3*6)+(2*4)+(1*0)=216
216 % 10 = 6
So 189886-40-6 is a valid CAS Registry Number.
189886-40-6Relevant articles and documents
Process for the preparation of piperidinylaminomethyl trifluoromethyl cyclic ether compounds
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, (2008/06/13)
The present invention relates to a novel process for the preparation of a diastereomeric mixture of piperidinylaminomethyl trifluoromethyl cyclic ether compounds of formulae Ia and Ib: and pharmaceutically acceptable salts thereof, wherein R1is
