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1101858-58-5

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1101858-58-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1101858-58-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,1,8,5 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1101858-58:
(9*1)+(8*1)+(7*0)+(6*1)+(5*8)+(4*5)+(3*8)+(2*5)+(1*8)=125
125 % 10 = 5
So 1101858-58-5 is a valid CAS Registry Number.

1101858-58-5Relevant articles and documents

Dual-target-directed 1,3-diphenylurea derivatives: BACE 1 inhibitor and metal chelator against Alzheimer's disease

Huang, Wenhai,Lv, Dan,Yu, Haiping,Sheng, Rong,Kim, Sun Chol,Wu, Peng,Luo, Kedi,Li, Jia,Hu, Yongzhou

scheme or table, p. 5610 - 5615 (2010/09/14)

Dual-target-directed 1,3-diphenylurea derivatives were designed by hybridizing BACE 1 inhibitor 1 with metal chelator LR-90. A database consisted of 1,3-diphenylurea derivatives was built and screened by the pharmacophore model (Hypo 1) of BACE 1 inhibitor. Based on the predicted results, 11 compounds (6a-d, 9a-g) with favorable Fitvalues were selected, synthesized and evaluated for their BACE 1 inhibitory activities, which showed that the predicted results were in good agreement with the experimental values. Besides, the synthesized compounds also displayed the ability to chelate metal ions. The most effective BACE 1 inhibitor 9f (27.85 ± 2.46 μmol/L) was selected for further receptor-binding studies, the result of which indicated that an essential hydrogen bonds was formed between the urea group of 9f and the catalytic aspartate Asp228.

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