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868077-39-8

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868077-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 868077-39-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,8,0,7 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 868077-39:
(8*8)+(7*6)+(6*8)+(5*0)+(4*7)+(3*7)+(2*3)+(1*9)=218
218 % 10 = 8
So 868077-39-8 is a valid CAS Registry Number.

868077-39-8Downstream Products

868077-39-8Relevant articles and documents

Search for histamine H3 receptor antagonists with combined inhibitory potency at Nτ-methyltransferase: Ether derivatives

Apelt,Grassmann,Ligneau,Pertz,Ganellin,Arrang,Schwartz,Schunack,Stark, Holger

, p. 97 - 106 (2007/10/03)

With the recent development of new hybrid compounds having histamine H 3 receptor antagonist with combined histamine Nτ- methyltransferase (HMT) inhibitory potency an innovative approach was described in the research of novel lead compounds modulating histaminergic neurotransmission. Several compounds containing an ether moiety derived from the recently published 4-(3-piperidinopropoxy)phenylaminoquinoline derivatives (like FUB 836), were synthesized in this study and tested for their affinity at cloned human histamine H3 (hH3) receptors and on the inhibition of rat HMT. Besides different heterocycles, e.g. nitro- or amino-substituted pyridines, quinolines, benzothiazole or pyrroline, three classes of compounds were produced: heteroaromatic 3-piperidinopropyl ethers, keto- or imino-substituted 4-(3-piperidinopropyl)phenyl ethers and 4-(3-piperidinopropyl)phenyl ethers with substituted (alkyl)aminopyridines. Whereas the (3-piperidinopropoxy)heterocycles showed only moderate activities on both test models, the 4-(3-piperidinopropoxy)phenyl derivatives were identified as potent histamine H3 receptor ligands and/or HMT inhibitors. Ki values up to 0.42 nM were found for the affinity to the hH 3 receptor. HMT inhibitory potency was identified with IC 50 values about 0.3 μM for the most potent compounds in this series. Comparison of the pyridine-containing derivatives to recently published quinoline analogues showed a decrease in potencies for the pyridines. The dual activity, H3 receptor affinity and HMT inhibition, was moderate to good. For all compounds affinities at hH3 receptors were higher than their inhibitory HMT potencies. The described new histamine H3 receptor antagonists with an ether moiety represent a further promising step in our investigations for a dual activity.

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