188489-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188489-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,4,8 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 188489-28:
(8*1)+(7*8)+(6*8)+(5*4)+(4*8)+(3*9)+(2*2)+(1*8)=203
203 % 10 = 3
So 188489-28-3 is a valid CAS Registry Number.
188489-28-3Relevant academic research and scientific papers
Pyridazin-3-one derivatives, their use, and intermediates for their production
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Page column 68, (2010/01/30)
Novel hydrazones of formula [2] having the following structural formula are provided, which are useful intermediates to form active ingredients of herbicides, wherein R3 is hydrogen, alkyl, haloalkyl, or alkoxy alkyl; and Q is [Q-1], [Q-2], [Q-