1037816-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1037816-91-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,7,8,1 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1037816-91:
(9*1)+(8*0)+(7*3)+(6*7)+(5*8)+(4*1)+(3*6)+(2*9)+(1*1)=153
153 % 10 = 3
So 1037816-91-3 is a valid CAS Registry Number.
1037816-91-3Relevant articles and documents
PROCESS FOR PREPARING DULOXETINE HYDROCHLORIDE
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Page/Page column 37; 42, (2008/12/07)
Enantiomerically pure S-(+)-duloxetine hydrochloride with high purity as determined by area percentage of HPLC are disclosed. Also disclosed are improved process for preparing duloxetine hydrochloride of formula (I).