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252920-09-5

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252920-09-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252920-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,9,2 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 252920-09:
(8*2)+(7*5)+(6*2)+(5*9)+(4*2)+(3*0)+(2*0)+(1*9)=125
125 % 10 = 5
So 252920-09-5 is a valid CAS Registry Number.

252920-09-5Relevant articles and documents

Pyridazine derivatives. XIX: Functionalization studies at the 5 position in the 6-phenyl-3(2H)-pyridazinone system

Sotelo, Eddy,Ravina, Enrique,Estevez, Isabel

, p. 985 - 990 (2007/10/03)

A series of 6-phenyl-3(2H)-pyridazinones bearing different substitution at the 5 position of the pyridazinone ring were prepared in the search for new platelet aggregation inhibitors. The structure of the final compounds was determined on the basis of spectroscopics methods.

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