858583-36-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858583-36-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,5,8 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 858583-36:
(8*8)+(7*5)+(6*8)+(5*5)+(4*8)+(3*3)+(2*3)+(1*6)=225
225 % 10 = 5
So 858583-36-5 is a valid CAS Registry Number.
858583-36-5Relevant articles and documents
PREPARATION OF R-5-(2-(2-ETHOXYPHENOXYETYLAMINO)PROPYL)-2- METHOXYBENZENESULPHONAMIDE HYDROCHLORIDE OF HIGH CHEMICAL
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Page/Page column 8-10, (2008/06/13)
In the present invention, the process for the preparation of tamsulosin hydrochloride and subsequent purification with thermal crystallisation to provide essentially pure tamsulosin hydrochloride is disclosed.