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1257127-03-9

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1257127-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257127-03-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,1,2 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1257127-03:
(9*1)+(8*2)+(7*5)+(6*7)+(5*1)+(4*2)+(3*7)+(2*0)+(1*3)=139
139 % 10 = 9
So 1257127-03-9 is a valid CAS Registry Number.

1257127-03-9Downstream Products

1257127-03-9Relevant articles and documents

Synthesis and in vitro antibacterial activity of fluoroquinolone derivatives containing 3-(N′-alkoxycarbamimidoyl)-4-(alkoxyimino) pyrrolidines

Guo, Qiang,Feng, Lian-Shun,Liu, Ming-Liang,Zhang, Yi-Bin,Chai, Yun,Lv, Kai,Guo, Hui-Yuan,Han, Li-You

, p. 5498 - 5506 (2010)

A series of novel 7-[3-(N′-alkoxycarbamimidoyl)-4-(alkoxyimino) pyrrolidin-1-yl] fluoroquinolone derivatives were designed, synthesized and characterized by 1H NMR, MS and HRMS. These fluoroquinolones were screened for their in vitro antibacter

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