863664-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863664-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,6,6 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 863664-91:
(8*8)+(7*6)+(6*3)+(5*6)+(4*6)+(3*4)+(2*9)+(1*1)=209
209 % 10 = 9
So 863664-91-9 is a valid CAS Registry Number.
863664-91-9Relevant academic research and scientific papers
PROCESS FOR MANUFACTURE OF RACEMIC CARVEDILOL
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Page/Page column 8, (2010/02/13)
The invention relates to a novel process for the manufacture of Carvedilol of high HPLC purity (>99.5 %) having individual impurity less than 0.1 %. The product is isolated from reaction mass as a salt with suitable organic acids which on further purification is converted into the free base i.e., Carvedilol.
