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1296765-17-7

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1296765-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1296765-17-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,6,7,6 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1296765-17:
(9*1)+(8*2)+(7*9)+(6*6)+(5*7)+(4*6)+(3*5)+(2*1)+(1*7)=207
207 % 10 = 7
So 1296765-17-7 is a valid CAS Registry Number.

1296765-17-7Relevant academic research and scientific papers

AN IMPROVED PROCESS FOR THE PREPARATION OF APREPITANT

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Page/Page column 7, (2009/03/07)

The present invention relates to an improved process for the preparation of Aprepitant of formula (I) and its intermediates. More particularly the present invention relates to the preparation of 3-(-S)-(4-fluorophenyl)-4-benzyl-2-morpholinone of Formula (III) or its salts thereof by reacting N-benzyl-(S)-(4-fluorophenyl) glycine of formula (II) with 1,2 dibromoethane in presence of an organic base.

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