154330-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154330-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,3,3 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 154330-71:
(8*1)+(7*5)+(6*4)+(5*3)+(4*3)+(3*0)+(2*7)+(1*1)=109
109 % 10 = 9
So 154330-71-9 is a valid CAS Registry Number.
154330-71-9Relevant articles and documents
PROCESS FOR THE PREPARATION OF HIGHLY PURE PRULIFLOXACIN
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Page/Page column 13-14, (2009/09/05)
The present invention provides an industrially advantageous process for the preparation of highly pure prulifloxacin of formula I and its pharmaceutically acceptable salts. The present i innvention a also provides a novel process for the purification of prulifloxacin acid addition salt.