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1619972-32-5

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1619972-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1619972-32-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,9,9,7 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1619972-32:
(9*1)+(8*6)+(7*1)+(6*9)+(5*9)+(4*7)+(3*2)+(2*3)+(1*2)=205
205 % 10 = 5
So 1619972-32-5 is a valid CAS Registry Number.

1619972-32-5Downstream Products

1619972-32-5Relevant articles and documents

Synthesis and biological evaluation of novel trichodermin derivatives as antifungal agents

Zheng, Min,Yao, Ting-Ting,Xu, Xiao-Jun,Cheng, Jing-Li,Zhao, Jin-Hao,Zhu, Guo-Nian

, p. 3565 - 3568 (2014/07/22)

To discover more potential antifungal agents, 17 novel trichodermin derivatives were designed and synthesized by modification of 3 and 4a. The structures of all the synthesized compounds were confirmed by 1H NMR, ESI-MS and HRMS. Their antifungal activities against Ustilaginoidea oryzae and Pyricularia oryzae were evaluated. Most of the target compounds showed potent inhibitory activity, in which 4g showed superior inhibitory effects than 4a and commercial fungicide prochloraz. Furthermore, 4h demonstrated comparable inhibitory activity to 4a. Moreover, 4i and 4l exhibited excellent inhibitory activity for Pyricularia oryzae. Additionally, compound 9 was found to be more active against all tested fungal strains than 3, with EC50 values of 0.47 and 3.71 mg L-1, respectively.

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