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220967-25-9

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220967-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220967-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,6 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 220967-25:
(8*2)+(7*2)+(6*0)+(5*9)+(4*6)+(3*7)+(2*2)+(1*5)=129
129 % 10 = 9
So 220967-25-9 is a valid CAS Registry Number.

220967-25-9Relevant articles and documents

Pyridazines. XV. Synthesis of 6-aryl-5-amino-3(2H)-pyridazinones as potential platelet aggregation inhibitors

Estevez, Isabel,Ravina, Enrique,Sotelo, Eddy

, p. 1421 - 1428 (2007/10/03)

Several 3(2H)-pyridazinones with amino groups at the 5-position of the pyridazine nucleus have been prepared. The 6-aryl-5-halo-3(2H)-pyridazinones obtained from mucochloric and mucobromic acid lead to the corresponding 5- alkylamino-3(2H)-pyridazinones,

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