849744-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 849744-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,7,4 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 849744-52:
(8*8)+(7*4)+(6*9)+(5*7)+(4*4)+(3*4)+(2*5)+(1*2)=221
221 % 10 = 1
So 849744-52-1 is a valid CAS Registry Number.
849744-52-1Relevant 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.