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4-(4-Chlorophenyl)-2-ethoxypyrido<2,3-d>pyridazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109178-20-3

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109178-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109178-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,7 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109178-20:
(8*1)+(7*0)+(6*9)+(5*1)+(4*7)+(3*8)+(2*2)+(1*0)=123
123 % 10 = 3
So 109178-20-3 is a valid CAS Registry Number.

109178-20-3Relevant academic research and scientific papers

Pyridazines; XXX. A Novel Approach to Pyridopyridazines by Annelation of the Pyridine Ring to the 1,2-Diazine System

Haider, N.,Heinisch, G.

, p. 862 - 864 (2007/10/02)

Procedures for high-yield syntheses of 2-ethoxy- and 2-dimethylamino-4-arylpyridopyridazines (3a, b, 5), 3-alkyl- and 1-alkyl-4-aryl-1,2-dihydro-2-oxopyridopyridazines (4b, 6) as well as ethyl 4-aryl-1,2-dihydro-2-oxopyridopyridazine-

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