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213664-68-7

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213664-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213664-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,6,6 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 213664-68:
(8*2)+(7*1)+(6*3)+(5*6)+(4*6)+(3*4)+(2*6)+(1*8)=127
127 % 10 = 7
So 213664-68-7 is a valid CAS Registry Number.

213664-68-7Relevant articles and documents

1,3-Disubstituted benzazepines as neuropeptide Y Y1 receptor antagonists

Murakami, Yasushi,Hagishita, Sanji,Okada, Tetsuo,Kii, Makoto,Hashizume, Hiroshi,Yagami, Tatsuroh,Fujimoto, Masafumi

, p. 1703 - 1714 (2007/10/03)

A novel class of potent and selective non-peptide neuropeptide Y (NPY) Y1 receptor antagonists, having benzazepine nuclei, have been designed, synthesized, and evaluated for activity. Through a blind screening we found the compound 1-N-(3-(N' -(tert-butoxycarbonyl)amino)benzyl)-7-methoxy-3-(3)-methylureido)-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one (9: IC50 =1.6 μM). Chemical modifications of 9 gave a potent NPY Y1 antagonist 3-(N-(4-hydroxyphenyl)-N0 -methylguanidino)-1-N-(3-(N'-(tert- butoxycarbonyl)amino)benzyl)-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one (14c: IC50 =43 nM), which had no affnity for NPY Y2 and Y5 receptors. (C) 1999 Elsevier Science Ltd. All rights reserved.

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