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503559-83-9

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503559-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503559-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,5,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 503559-83:
(8*5)+(7*0)+(6*3)+(5*5)+(4*5)+(3*9)+(2*8)+(1*3)=149
149 % 10 = 9
So 503559-83-9 is a valid CAS Registry Number.

503559-83-9Relevant articles and documents

Integration of optimized substituent patterns to produce highly potent 4-aryl-pyridine glucagon receptor antagonists

Ladouceur, Gaetan H.,Cook, James H.,Hertzog, Donald L.,Jones,Hundertmark, Thomas,Korpusik, Mary,Lease, Timothy G.,Livingston, James N.,MacDougall, Margit L.,Osterhout, Martin H.,Phelan, Kathleen,Romero, Romulo H.,Schoen, William R.,Shao, Chunning,Smith, Roger A.

, p. 3421 - 3424 (2007/10/03)

Optimized substituent patterns in 4-aryl-pyridine glucagon receptor antagonists were merged to produce highly potent derivatives containing both a 3-[(1R)-hydroxyethyl] and a 2′-hydroxy group. Due to restricted rotation of the phenyl-pyridine bond, these analogues exist as four isomers. A diastereoselective methylcopper reaction was developed to facilitate the synthesis, and single isomers were isolated with activities in the range IC50=10-25 nM.

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