147089-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147089-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,0,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 147089-99:
(8*1)+(7*4)+(6*7)+(5*0)+(4*8)+(3*9)+(2*9)+(1*9)=164
164 % 10 = 4
So 147089-99-4 is a valid CAS Registry Number.
147089-99-4Relevant academic research and scientific papers
Syntheses with unsaturated nitriles, IX: 3(2H)-pyridazinones from alkylidenemalononitrile dimers
Mokrosz
, p. 39 - 43 (2007/10/02)
The coupling of 1-amino-2,6,6-tricyanocyclohexadiene derivatives 1-3 with a variety of aryldiazonium salts produces the hydrazones 5-7 which in the presence of weak base in ethanol at elevated temperature furnish 2-aryl-4-cyanopyridazin-3(2H)-ones 8-10. I
