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887139-31-3

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887139-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 887139-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,7,1,3 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 887139-31:
(8*8)+(7*8)+(6*7)+(5*1)+(4*3)+(3*9)+(2*3)+(1*1)=213
213 % 10 = 3
So 887139-31-3 is a valid CAS Registry Number.

887139-31-3Relevant articles and documents

Structure-based optimization of azole antifungal agents by CoMFA, CoMSIA, and molecular docking

Sheng, Chunquan,Zhang, Wannian,Ji, Haitao,Zhang, Min,Song, Yunlong,Xu, Hui,Zhu, Jie,Miao, Zhenyuan,Jiang, Qingfen,Yao, Jianzhong,Zhou, Youjun,Zhu, Jü,Lü, Jiaguo

, p. 2512 - 2525 (2007/10/03)

In a continuing effort to develop highly potent azole antifungal agents, the three-dimensional quantitative structure-activity relationship methods, CoMFA and CoMSIA, were applied using a set of novel azole antifungal compounds. The binding mode of the compounds at the active site of lanosterol 14α-demethylase was further explored using the flexible docking method. Various hydrophobic, van der Waals, π-π stacking, and hydrogen bonding interactions were observed between the azoles and the enzyme. Based on results from the molecular modeling, a receptor-based pharmacophore model was established to guide the rational optimization of the azole antifungal agents. Thus, a total of 57 novel azoles were designed and synthesized by a three-step optimization process. In vitro antifungal assay revealed that the antifungal activities of these novel azoles were greatly improved, which confirmed the reliability of the model from molecular modeling.

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