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8-Phenyl-3-trifluoromethyl-7,8-dihydro-[1,2,4]triazolo[4,3-b]pyridazin-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

155876-50-9

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155876-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155876-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,7 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 155876-50:
(8*1)+(7*5)+(6*5)+(5*8)+(4*7)+(3*6)+(2*5)+(1*0)=169
169 % 10 = 9
So 155876-50-9 is a valid CAS Registry Number.

155876-50-9Relevant academic research and scientific papers

Bicyclic [b]-heteroannulated pyridazine derivatives. Part 1: 3,8-Disubstituted-7,8-dihydro-s-triazolo[4,3-b]pyridazin-6(5H)-ones: Synthesis and N- and/or O-alkylation

Lange,Karolak-Wojciechowska,Gniewosz,Plenkiewicz

, p. 21 - 24 (2007/10/02)

4-Substituted 4,5-dihydropyridazin-3,6-dione 3-hydrazones (1) gave with trifluoroacetic acid the corresponding 8-substituted-7,8-dihydro-3-trifluoromethyl-s-triazolo[4,3-b)pyridazin -6(5 H)-ones (3). Alkylation of 3 in a DMF-benzene mixture in the presenc

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