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91958-13-3

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91958-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91958-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,5 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91958-13:
(7*9)+(6*1)+(5*9)+(4*5)+(3*8)+(2*1)+(1*3)=163
163 % 10 = 3
So 91958-13-3 is a valid CAS Registry Number.

91958-13-3Relevant articles and documents

Substituted benzene and heterocyclic compound and its preparation method and application

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Paragraph 0393; 0394; 0395; 0447; 0448; 0449; 0519-0520, (2016/10/20)

The invention provides substituted benzoheterocyclic compounds and a preparation method thereof. The compounds have structures shown by formulas I and II. The invention also provides the effects of the compounds shown by formulas I and II in resisting virus, tumor and the like. The invention further provides a medicine composition taking the compounds shown by the formulas I and II as active ingredients, and the anti-virus or anti-tumor effect of the medicine composition. The invention lays a foundation for the future in-depth study and development of the anti-virus or anti-tumor medicine of the compounds.

Synthesis and structure-activity relationship of 3-substituted benzamide, benzo[b]furan-7-carboxamide, 2,3-dihydrobenzo[b]furan-7- carboxamide, and indole-5-carboxamide derivatives as selective serotonin 5- HT4 receptor agonists

Kakigami, Takuji,Usui, Toshinao,Tsukamoto, Katsura,Kataoka, Tadashi

, p. 42 - 52 (2007/10/03)

The title compounds (6-9) were prepared and evaluated for serotonin 5- HT4 agonistic activity in in vitro tests. Introducing a propyl or allyl group at the 3-position of benzamide caused only a slight enhancement of agonistic activity. Construction of the benzo[b']furan skeleton and 2,3- dihydrobenzo[b]furan skeleton caused a significant enhancement of the activity. 4-Amino-N-[2-(1-azabicyclo[3.3.0]octan-5-yl)ethyl]-5-chloro-2- methylbenzo[b]furan-7-carboxamide (7b) hemifumarate was as potent as cisapride. 4-Amino-N-[2-(1-azabicyclo[3.3.0]octan-5-yl)ethyl]-5-chloro-2,3- dihydro-2-methylbenzo[b]furan-7-carboxamide (8a) hemifumarate, 4-amino-N-[2- (1-azabicyclo [3.3.0]octan-5-yl)ethyl]5-chloro-2,3-dihydro-2- ethylbenzo[b]furan-7-carboxamide (8c) hemifumarate, and 4-amino-N-]2-(1- azabicyclo[3.3.0]octan-5-yl]-5-chloro-2,3-dihydro-2,3-dimethylhenzo[b]furan- 7-carboxamide (8d) hemifumarate were more potent than cisapride. Furthermore, 8a hemifumarate was free from dopamine D1, D2, serotonin 5-HT1, 5-HT2 and muscarine M1, M2 receptor binding activity in the in vitro tests. On the other hand, construction of the indole skeleton caused a remarkable decrease in activity.

CERTAIN BENZOXEPINS AND THEIR PHARMACEUTICAL COMPOSITIONS AND METHODS

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, (2008/06/13)

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