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82250-54-2

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82250-54-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82250-54-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,2,5 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 82250-54:
(7*8)+(6*2)+(5*2)+(4*5)+(3*0)+(2*5)+(1*4)=112
112 % 10 = 2
So 82250-54-2 is a valid CAS Registry Number.

82250-54-2Relevant articles and documents

Investigation of novel pesticides with insecticidal and antifungal activities: Design, synthesis and SAR studies of benzoylpyrimidinylurea derivatives

Chen, Peiqi,Song, Xiangmin,Fan, Yongmei,Kong, Weihao,Zhang, Hao,Sun, Ranfeng

, (2018/09/10)

In order to find pesticides with insecticidal and antifungal activities, a series of novel benzoyl pyrimidinylurea derivatives were designed and synthesized. All target compounds were identified by 1H-NMR spectroscopy and HRMS. Insecticidal and antifungal activity of these compounds were evaluated and the structure-activity relationships (SAR) were clearly and comprehensively illustrated. Compound 7, with low toxicity to zebrafish (LC50 = 378.387 μg mL?1) showed 100% inhibition against mosquito (Culex pipiens pallens) at 0.25 μg mL?1. Both compounds 19 and 25 exhibited broad-spectrum fungicidal activity (>50% inhibitory activities against 13 phytopathogenic fungi), which were better than those of the commercial pesticide pyrimethanil (>50% inhibitory activities against eight phytopathogenic fungi). Furthermore, compounds 19 and 25 exhibited protective activity against Sclerotinia sclerotiorum on leaves of Brassica oleracea L. during in vivo experiments.

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