113544-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113544-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,5,4 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 113544-25:
(8*1)+(7*1)+(6*3)+(5*5)+(4*4)+(3*4)+(2*2)+(1*5)=95
95 % 10 = 5
So 113544-25-5 is a valid CAS Registry Number.
113544-25-5Relevant articles and documents
RESOLUTION OF (+/-)-2,3-DIHYDRO-2-PHENYL-4(1H)-QUINOLONE
Tokes, Adrienne L.,Szilagyi, Laszlo
, p. 1235 - 1246 (2007/10/02)
The resolution of (+/-)-2,3-dihydro-2-phenyl-4(1H)-quinolone into individual enantiomers was achieved using the optically active oxo reagent (-)-5-(α-phenethyl)semioxamazide.The enantiomeric purity was checked by 1H NMR using the chiral lanthanide shift reagent Eu(hfc)3.