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256475-58-8

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256475-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256475-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,4,7 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 256475-58:
(8*2)+(7*5)+(6*6)+(5*4)+(4*7)+(3*5)+(2*5)+(1*8)=168
168 % 10 = 8
So 256475-58-8 is a valid CAS Registry Number.

256475-58-8Downstream Products

256475-58-8Relevant articles and documents

Non-imidazole histamine H3 ligands. Part I. Synthesis of 2-(1-piperazinyl)- and 2-(hexahydro-1H-1,4-diazepin-1-yl)benzothiazole derivatives as H3-antagonists with H1 blocking activities

Walczynski, Krzysztof,Guryn, Roman,Zuiderveld, Obbe P.,Timmerman, Henk

, p. 684 - 694 (1999)

New 2-(1-Piperazinyl)- and 2-(hexahydro-1H-1,4-diazepin-1-yl)benzothiazoles were prepared and tested as H1- and H3-receptor antagonists. A number of compounds showed weak H1-antagonistic activity, with pA2 values ranging from 5.5 to 6.1. The simple alkyl substituted, 2-[1-(4-methyl and 4-ethyl)piperazinyl] analogues show increasing, moderate H3-antagonistic activity (pA2=6.0, and pA2=7.0). The compounds with 4-phenylalkyl substitution, for both the piperazinyl and the hexahydro-1H-1,4-diazepin-1-yl homologues series, regardless of the different physicochemical properties of the para substituents at the phenyl ring, showed weak H3-antagonistic activity with pA2 values ranging from 4.4 to 5.6. Copyright (C) 1999 Elsevier Science S.A.

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