289473-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289473-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,4,7 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 289473-52:
(8*2)+(7*8)+(6*9)+(5*4)+(4*7)+(3*3)+(2*5)+(1*2)=195
195 % 10 = 5
So 289473-52-5 is a valid CAS Registry Number.
289473-52-5Relevant articles and documents
Synthesis of two conformationally constrained analogues of the minor tobacco alkaloid anabasine.
Lindstroem,Ripa,Hallberg
, p. 2291 - 2293 (2007/10/03)
The anabasine analogues spiro[4-azaindan-1,2'-piperidine] (7) and spiro[6-azaindan-1,2'-piperidine] (8) have been prepared. A series of palladium-catalyzed reactions, where an intramolecular cyclization constituted a key reaction, were utilized for the pr