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128243-99-2

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128243-99-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128243-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,4 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128243-99:
(8*1)+(7*2)+(6*8)+(5*2)+(4*4)+(3*3)+(2*9)+(1*9)=132
132 % 10 = 2
So 128243-99-2 is a valid CAS Registry Number.

128243-99-2Relevant articles and documents

Quinolone Antibacterial Agents Substituted at the 7-Position with Spiroamines. Synthesis and Structure-Activity Relationships

Culbertson, Townley P.,Sanchez, Joseph P.,Gambino, Laura,Sesnie, Josephine A.

, p. 2270 - 2275 (2007/10/02)

A series of fluoroquinolone antibacterials having the 7-position (10-position of pyridobenzoxazines) substituted with 2,7-diazaspirononane (4b), 1,7-diazaspirononane (5a), or 2,8-diazaspiroundecane (6b) was prepared, and their biological activities were compared with piperazine and pyrrolidine substituted analogues.Most exhibited potent Gram-positive and Gram-negative activity, especially when side chain 4b was N-alkylated.

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