158725-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158725-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,2 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158725-13:
(8*1)+(7*5)+(6*8)+(5*7)+(4*2)+(3*5)+(2*1)+(1*3)=154
154 % 10 = 4
So 158725-13-4 is a valid CAS Registry Number.
158725-13-4Relevant articles and documents
Synthesis and Utilisation of 3-(2'-Hydroxyethyl)-quinolin-2(1H)-ones. Part II
Rajendran, S.P.,Shanmugam, P.
, p. 815 - 818 (2007/10/02)
Several 3-(2'-hydroxyethyl)quinolin-2(1H)-ones were prepared by the photolysis of N-aryl-4,5-dihydrofuran-3-carboxamides.The newly reported quinolonyl ethanols were converted to 2,3-dihydrofuroquinolines.