489417-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 489417-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,9,4,1 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 489417-13:
(8*4)+(7*8)+(6*9)+(5*4)+(4*1)+(3*7)+(2*1)+(1*3)=192
192 % 10 = 2
So 489417-13-2 is a valid CAS Registry Number.
489417-13-2Relevant academic research and scientific papers
Synthesis of modified psoralen analogues
Garazd,Garazd,Ogorodniichuk,Khilya
, p. 291 - 300 (2007/10/03)
Substituted 3-(5-methyl-7-oxofuro[3,2-g]chromen-6-yl)propanoic acids analogous to psoralen were synthesized by linear annulation of a furan moiety to the coumarin system.
