1021949-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021949-52-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,9,4 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1021949-52:
(9*1)+(8*0)+(7*2)+(6*1)+(5*9)+(4*4)+(3*9)+(2*5)+(1*2)=129
129 % 10 = 9
So 1021949-52-9 is a valid CAS Registry Number.
1021949-52-9Relevant articles and documents
Facile synthesis of novel tacrine analogues
Hu, Huanan,Zhang, Anjiang,Ding, Lisheng
experimental part, p. 562 - 564 (2010/02/28)
The synthesis of highly potent and selective acetylcholinesterase inhibitors, tacrine analogues with the structure of fused 4-aminoquinolines and 4-aminopyridines, has been accomplished by direct cyclocondensation of 1-aryl-4- cyano-5-aminopyrazoles with
