1269662-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1269662-45-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,6,6 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1269662-45:
(9*1)+(8*2)+(7*6)+(6*9)+(5*6)+(4*6)+(3*2)+(2*4)+(1*5)=194
194 % 10 = 4
So 1269662-45-4 is a valid CAS Registry Number.
1269662-45-4Relevant articles and documents
Tin (IV) chloride-promoted one-pot synthesis of novel tacrine analogues
Hu, Huanan,Song, Liangfu,Fang, Qianqian,Zheng, Junjun,Meng, Zhiwei,Luo, Yiting
, p. 1878 - 1887 (2011)
A facile synthesis of potential acetylcholinesterase (AChE) inhibitors, the tacrine analogues 3a-p, has been accomplished by direct cyclocondensation of 1-aryl-4- cyano-5-aminopyrazole with β-ketoesters using tin(IV) chloride as catalyst. The structures o
