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84368-89-8

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84368-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84368-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,6 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84368-89:
(7*8)+(6*4)+(5*3)+(4*6)+(3*8)+(2*8)+(1*9)=168
168 % 10 = 8
So 84368-89-8 is a valid CAS Registry Number.

84368-89-8Relevant articles and documents

Synthesis, Crystal Structure, and Insecticidal Activity of Steroidal N-Piperidone

Ma, Shichuang,Jiang, Weiqi,Hu, Yuxiao,Wang, Qiangping,Wu, Wenjun,Shi, Baojun

, p. 1467 - 1476 (2022/02/10)

A series of steroidal piperidone derivatives were synthesized, and their agricultural activities were evaluated against Myzus persicae, Aphis citricola, Brevicoryne brassicae Linn., and Bemisia tabaci (Gennadius). Most of the tested compounds exhibited potent insecticidal activity against these four pests. Compound I-9 displayed the highest activity against M. persicae, A. citricola, and Brevicoryne brassicae, with LC50 values of 11.3, 10.4, and 8.68 μg/mL, respectively. The mode of action test indicated that these derivatives had superior contact and systemic insecticidal activity against M. persicae. In addition, we initially explored whether the foregut and midgut might be the action sites of the target derivatives against M. persicae. Furthermore, a field trial showed that the control of compound I-9 was similar to that of acetamiprid against M. persicae, at a dose of 50 μg/mL; the control rates were 97.8 and 99.2% after 14 and 21 days, respectively. The structure-activity relationship of these analogues provided some important insights for the discovery and development of new insecticides to solve the current pesticide resistance crisis.

Steroid piperidone derivatives and synthesis methods and applications thereof

-

, (2022/01/06)

The present invention discloses a steroidal piperidone derivative and its synthesis method and application, steroid piperidone derivative having a chemical structure expressed by formula (1) or formula (2), wherein R is an alkyl, phenyl or substituted phenyl and any one of the heterocyclic; Is the best method for the preparation of steroid piperidone derivatives of the present invention; the steroid piperidone derivatives provided by the present invention have been bioassayed to confirm that aphids, leaf mites, rice planthoppers and whiteflies and other sucking insects exhibit good toxicity and activity, can be applied to plant pest control.

Sensitized Aliphatic Fluorination Directed by Terpenoidal Enones: A "visible Light" Approach

Bume, Desta Doro,Harry, Stefan Andrew,Pitts, Cody Ross,Lectka, Thomas

, p. 1565 - 1575 (2018/02/09)

In our continued effort to address the challenges of selective sp3 C-H fluorination on complex molecules, we report a sensitized aliphatic fluorination directed by terpenoidal enones using catalytic benzil and visible light (white LEDs). This sensitized approach is mild, simple to set up, and an economical alternative to our previous protocol based on direct excitation using UV light in a specialized apparatus. Additionally, the amenability of this protocol to photochemical flow conditions and preliminary evidence for electron-transfer processes are highlighted.

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