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540751-49-3

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540751-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 540751-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,5 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 540751-49:
(8*5)+(7*4)+(6*0)+(5*7)+(4*5)+(3*1)+(2*4)+(1*9)=143
143 % 10 = 3
So 540751-49-3 is a valid CAS Registry Number.

540751-49-3Relevant articles and documents

2-(2-Furanyl)-7-phenyl[1,2,4]triazolo[1,5-c]pyrimidin-5-amine analogs: Highly potent, orally active, adenosine A2A antagonists. Part 1

Matasi, Julius J.,Caldwell, John P.,Zhang, Hongtao,Fawzi, Ahmad,Cohen-Williams, Mary E.,Varty, Geoffrey B.,Tulshian, Deen B.

, p. 3670 - 3674 (2007/10/03)

The structure-activity relationship of this novel class of compounds based on 2-(2-furanyl)-7-phenyl[1,2,4]-triazolo[1,5-c]pyrimidin-5-amine, 1, and its analogs was evaluated for their in vitro and in vivo adenosine A2A receptor antagonism. Several compounds displayed oral activity at 3 mg/kg in a rat catalepsy model. Specifically, compound 8g displayed an excellent in vitro profile, as well as a highly promising in vivo profile.

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