1084905-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1084905-57-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,4,9,0 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1084905-57:
(9*1)+(8*0)+(7*8)+(6*4)+(5*9)+(4*0)+(3*5)+(2*5)+(1*7)=166
166 % 10 = 6
So 1084905-57-6 is a valid CAS Registry Number.
1084905-57-6Relevant articles and documents
NOVEL METHOD OF SYNTHESIS OF FLUOROQUINOLONES
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Page/Page column 11, (2009/04/24)
The invention relates to a method of preparation of fluoroquinolones of formula (I) from compounds of formula (II): in which R1, R2, R3, R4, R5, R6, R7, and X are as defined in Claim 1.
