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494847-54-0

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494847-54-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 494847-54-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,4,8,4 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 494847-54:
(8*4)+(7*9)+(6*4)+(5*8)+(4*4)+(3*7)+(2*5)+(1*4)=210
210 % 10 = 0
So 494847-54-0 is a valid CAS Registry Number.

494847-54-0Relevant articles and documents

CCK2 receptor antagonists containing the conformationally constrained phenylalanine derivatives, including the new amino acid Xic

Gibson, Susan E,Guillo, Nathalie,Jones, Jerome O,Buck, Ildiko M,Kalindjian, S.Barret,Roberts, Sonia,Tozer, Matthew J

, p. 379 - 389 (2007/10/03)

The conformationally constrained analogues of phenylalanine, tetrahydroisoquinoline-3-carboxylic acid (Tic), Sic, Hic and Nic, and the new amino acid Xic have been incorporated into a potent and highly selective cholecystokinin-2 (CCK2) receptor antagonist (2) in place of the phenylalanine residue, producing compounds 15a-e. High selectivities for CCK2 over CCK1 were observed for compounds 15a-e. The in vitro profile of the analogue containing the Nic residue (15d) was identical to that of compound 2, whereas the alternative conformational constraints resulted in a significant loss of affinity. The apparent advantage of Nic in the context of these CCK2 ligands was subsequently demonstrated to be statistically significant.

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