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504434-09-7

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504434-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 504434-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,4,4,3 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 504434-09:
(8*5)+(7*0)+(6*4)+(5*4)+(4*3)+(3*4)+(2*0)+(1*9)=117
117 % 10 = 7
So 504434-09-7 is a valid CAS Registry Number.

504434-09-7Relevant articles and documents

Simple, potent, and selective pyrrole inhibitors of monoamine oxidase types A and B

Silvestri, Romano,La Regina, Giuseppe,De Martino, Gabriella,Artico, Marino,Befani, Olivia,Palumbo, Marianna,Agostinelli, Enzo,Turini, Paola

, p. 917 - 920 (2007/10/03)

N-Benzyl- and N-propargyl-1H-pyrrole-2-carboxyamides and some related methylenamines were synthesized and tested for their monoamine oxidase types A and B inhibitory activity. 2-(N-Methyl-N-propargylaminomethyl)-1H-pyrrole (24) was the most potent MAO-A inhibitor of the series [Ki(MAO-A) = 0.0054 μM], but it was not selective. Inhibitors N-4-fluorobenzyl-1H-pyrrole-2-carboxamide (12) and N-cyclohexylmethyl-1H-pyrrole-2-carboxamide (25) showed the highest MAO-A selectivity indexes (SI) corresponding to 2025 and > 2500, respectively, while 2-(N-methyl-N-benzylaminomethyl)-1H-pyrrole (21) was the most selective MAO-B inhibitor, having an SI of 0.0057.

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