243640-30-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 243640-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,6,4 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 243640-30:
(8*2)+(7*4)+(6*3)+(5*6)+(4*4)+(3*0)+(2*3)+(1*0)=114
114 % 10 = 4
So 243640-30-4 is a valid CAS Registry Number.
243640-30-4Relevant articles and documents
Processes for the preparation of (R)-alpha-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4-piperidinemethanol"
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Page/Page column 19; 68, (2010/11/25)
The present invention provides various processes for the preparation of (R)-±-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4-piperidinemethanol. These processes may be characterized by the following scheme: