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21945-57-3

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21945-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21945-57-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,4 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21945-57:
(7*2)+(6*1)+(5*9)+(4*4)+(3*5)+(2*5)+(1*7)=113
113 % 10 = 3
So 21945-57-3 is a valid CAS Registry Number.

21945-57-3Downstream Products

21945-57-3Relevant articles and documents

Conformationally-restricted ligands for the histamine H1 receptor

Upton, Christopher,Osborne, Richard H.,Jaffar, Mohammad

, p. 1277 - 1279 (2007/10/03)

Potent H1-antagonistic activity in a series of novel indeno[2,1-c]pyridines and their 4-arylpiperidinol precursors is reported; one compound shows an in vitro activity four times that of the standard mepyramine that it was screened against. Their failure to translate this protection to in vivo tests is discussed. (C) 2000 Elsevier Science Ltd. All rights reserved.

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