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253682-74-5

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253682-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253682-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,6,8 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 253682-74:
(8*2)+(7*5)+(6*3)+(5*6)+(4*8)+(3*2)+(2*7)+(1*4)=155
155 % 10 = 5
So 253682-74-5 is a valid CAS Registry Number.

253682-74-5Relevant articles and documents

The assembly of β-methylene-TAD, a metabolically stable analogue of the antitumor agent TAD, by the stepwise esterification of monodeprotected methylenebis-(phosphonate) benzyl esters under Mitsunobu conditions

Ikeda, Hisafumi,Abushanab, Elie,Marquez, Victor E.

, p. 3069 - 3074 (2007/10/03)

Synthesis of the metabolically stable analogue of thiazole-4-carboxamide adenine dinucleotide (β-methylene-TAD) was achieved via the sequential monodeprotection of tetrabenzyl methylenebis(phosphonate) after two rounds of Mitsunobu esterifications with th

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