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82585-56-6

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82585-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82585-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,8 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82585-56:
(7*8)+(6*2)+(5*5)+(4*8)+(3*5)+(2*5)+(1*6)=156
156 % 10 = 6
So 82585-56-6 is a valid CAS Registry Number.

82585-56-6Relevant articles and documents

New Anticancer Agents: Synthesis of 1,2-Dihydropyridopyrizines (1-Deaza-7,8-dihydropteridines)

Temple, Carroll,Wheeler, Glynn P.,Elliott, Robert D.,Rose, Jerry D.,Kussner, Conrad L.,et al.

, p. 1045 - 1050 (2007/10/02)

Reaction of α-aminoacetophenone oximes (2) with ethyl 6-amino-4-chloro-5-nitropyridine-2-carbamate (1) gave ethyl 6-amino-5-nitro-4-pyridine-2-carbamate oximes (3), which were hydrolyzed under acidic conditions to give the corresponding ketones (4).Related pyridines substituted with keto side chain were prepared from 1 and 1,3-diaminopropanone oximes and by oxidation of the side-chain hydroxy group of ethyl 6-amino-4-amino>-5-nitropyridine-7-carbamates (6).Catalytic hydrogenation of the nitro group of 4 over Raney nickel in a large volume of ethanol gave the 1-deaza-7,8-dihydropteridines (7).Several of the oximes 3 were successfully hydrogenated to give 7 directly.The resulting 1-deaza-7,8-dihydropteridines showed potent cytotoxicity against cultured L1210 cells and significant anticancer activity against lymphocytic leukemia P-388 in mice.THese biological activities are attributed to the accumulation of cells at mitosis.

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