842130-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 842130-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,3 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 842130-16:
(8*8)+(7*4)+(6*2)+(5*1)+(4*3)+(3*0)+(2*1)+(1*6)=129
129 % 10 = 9
So 842130-16-9 is a valid CAS Registry Number.
842130-16-9Relevant articles and documents
SYNTHESIS OF OPTICALLY PURE (R)-5-(2-AMINOPROPYL)-2-METHOXYBENZENESULPHONAMIDE
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Page/Page column 12, (2008/06/13)
The present invention relates to a new process for the preparation of optically pure (R)-5-(2-aminopropyl)-2-methoxybenzenesulphonamide, which is an intermediate in the synthesis of tamsulosin.