113306-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113306-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,3,0 and 6 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 113306-24:
(8*1)+(7*1)+(6*3)+(5*3)+(4*0)+(3*6)+(2*2)+(1*4)=74
74 % 10 = 4
So 113306-24-4 is a valid CAS Registry Number.
113306-24-4Relevant academic research and scientific papers
An Improved Synthesis of Pyridopyrimidines
Itoh, Tsuneo,Fujii, Ikuko,Tomii, Yasuo,Ishikawa, Ichiro,Ogura, Haruo,et al.
, p. 1453 - 1455 (2007/10/02)
An improved and efficient synthesis of 1,3-dialkylpyridopyrimidine-2,4-(1H,3H)-diones from 6-methylaminouracils and methyl propiolate or diethyl ethoxymethylenemalonate is described.