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943783-51-5

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943783-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 943783-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,7,8 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 943783-51:
(8*9)+(7*4)+(6*3)+(5*7)+(4*8)+(3*3)+(2*5)+(1*1)=205
205 % 10 = 5
So 943783-51-5 is a valid CAS Registry Number.

943783-51-5Downstream Products

943783-51-5Relevant articles and documents

Synthesis and structure-activity relationship of tricyclic carboxylic acids as novel anti-histamines

Kubota, Katsumi,Kurebayashi, Hirotaka,Miyachi, Hirotaka,Tobe, Masanori,Onishi, Masako,Isobe, Yoshiaki

, p. 3005 - 3021 (2011/06/19)

A series of tricyclic carboxylic acids having 6-amino-pyrimidine-2,4(1H,3H) -dione with piperazino or homopiperazino moiety linked by propylene, were synthesized and evaluated for their affinity toward human histamine H 1 receptor and Caco-2 cell permeability. Selected compounds were further evaluated for their oral anti-histaminic activity in mice, bioavailability in rats, and their anti-inflammatory activity in mice OVA-induced biphasic cutaneous reaction model. Among the compounds tested, dibenzoxazepine carboxylic acid 13b showed both histamine H1 receptor antagonistic activity and anti-inflammatory activity in vivo. In addition, 13b exhibited low affinity toward α1 receptor and low occupancy of H1 receptor in the brain. It is therefore, believed that 13b is a potential candidate for development as 3rd generation anti-histamine.

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