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194016-05-2

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194016-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194016-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,0,1 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 194016-05:
(8*1)+(7*9)+(6*4)+(5*0)+(4*1)+(3*6)+(2*0)+(1*5)=122
122 % 10 = 2
So 194016-05-2 is a valid CAS Registry Number.

194016-05-2Downstream Products

194016-05-2Relevant articles and documents

Synthesis of novel 4-amino-5-(disubstituted amino)-2-phenyl-2H-pyridazin-3-ones

Konecny, Vaclav,Zuziova, Jozefina,Kovac, Stefan,Liptaj, Tibor

, p. 800 - 808 (2007/10/03)

Substituted 4-amino-2-phenyl-2H-pyridazin-3-ones 5a-5j have been prepared from 4-amino-5-chloro-2-phenyl-2H-pyridazin-3-one 1 which on reactions with acetyl chloride or acetic anhydride gives 4-acetylamino derivative 2 or 4-diacetylamino derivative 3, respectively. Derivatives 2 and 3 with dialkylamines and cyclic amines yielded appropriate 4-acetylamino-5-(disubstituted amino)-2-phenyl-2H-pyridazin-3-ones 4a-4j. Subsequent alkaline hydrolysis of the acetylamino derivatives 4a-4j let to the title compounds 5a-5j, which were screened for pesticidal activity, but none of them reached activity of the used standards.

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