124476-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124476-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,4,7 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 124476-81:
(8*1)+(7*2)+(6*4)+(5*4)+(4*7)+(3*6)+(2*8)+(1*1)=129
129 % 10 = 9
So 124476-81-9 is a valid CAS Registry Number.
InChI:InChI=1/C14H11N5O/c15-7-10-12(16)9-6-11(20)19(14(9)18-13(10)17)8-4-2-1-3-5-8/h1-5H,6H2,(H4,16,17,18)
124476-81-9Relevant academic research and scientific papers
Synthesis and Reactions of 2-Amino-1-aryl-5-oxo-Δ2-pyrroline-3-carbonitriles
Schaefer, Harry,Gewald, Karl
, p. 315 - 322 (2007/10/02)
The reaction of malononitrile with α-chloro acetanilides 1 in presence of potassium carbonate yields the 1-aryl-5-oxo-Δ2-pyrrolin-3-carbonitriles 2, in presence of triethylamine the 4,6-diamino-1-aryl-2-oxo-2,3-dihydropyrrolopyridin-5-ca