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808736-62-1

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808736-62-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 808736-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,8,7,3 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 808736-62:
(8*8)+(7*0)+(6*8)+(5*7)+(4*3)+(3*6)+(2*6)+(1*2)=191
191 % 10 = 1
So 808736-62-1 is a valid CAS Registry Number.

808736-62-1Relevant articles and documents

Synthesis of 2-bromo-7-methyl-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one and 3-alkyl-2-bromo-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one and their selective elaboration

Eckhardt, Matthias,Hauel, Norbert,Langkopf, Elke,Himmelsbach, Frank

, p. 1931 - 1934 (2008/09/19)

Two synthetic routes to the versatile 3,5-dihydro-imidazo[4,5-d]pyridazin-4-ones 2 and 5 have been developed that allow the production of multigram quantities without the need of any chromatographic purification. Broad and selective elaboration of the heteroaromatic scaffolds has also been accomplished.

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