761449-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 761449-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,1,4,4 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 761449-63:
(8*7)+(7*6)+(6*1)+(5*4)+(4*4)+(3*9)+(2*6)+(1*3)=182
182 % 10 = 2
So 761449-63-2 is a valid CAS Registry Number.
761449-63-2Relevant articles and documents
PROCESS FOR PREPARATION OF S-(-)-BETAXOLOL AND SALTS THEREOF
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Page/Page column 2-5, (2010/02/15)
The present invention relates to an improved process for preparation of S-(?)-betaxolol salts. More particularly the present invention relates to the preparation of hydrochloride salt of S-(?)-betaxolol of formula (1).