Cas 1254557-91-9,C<sub>23</sub>H<sub>18</sub>FNO

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Check Digit Verification of cas no

The CAS Registry Mumber 1254557-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,5,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1254557-91:
(9*1)+(8*2)+(7*5)+(6*4)+(5*5)+(4*5)+(3*7)+(2*9)+(1*1)=169
169 % 10 = 9
So 1254557-91-9 is a valid CAS Registry Number.

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1254557-91-9Relevant academic research and scientific papers

One-pot preparation of fluorinated polyhydrobenzoacridine-1-one derivatives under microwave irradiation and solvent-free conditions

Jin, Jianan,Zhang, Jianmin,Liu, Fengrui,Shang, Wenli,Xin, Yong,Zhu, Shizheng

, p. 1217 - 1222 (2010)

A facile and efficient synthesis of fluorine-containing polyhydrobenzoacridines was accomplished by a three-component coupling of fluorinated aldehyde, α-naphthylamine, and 1,3-cyclohexanedione or dimedone under microwave irradiation and solvent-free cond

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