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1620784-62-4

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1620784-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620784-62-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,7,8 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1620784-62:
(9*1)+(8*6)+(7*2)+(6*0)+(5*7)+(4*8)+(3*4)+(2*6)+(1*2)=164
164 % 10 = 4
So 1620784-62-4 is a valid CAS Registry Number.

1620784-62-4Downstream Products

1620784-62-4Relevant articles and documents

N-fluorinated phenyl-N′-pyrimidyl urea derivatives: Synthesis, biological evaluation and 3D-qsar study

Yue, Xia-Li,Li, Hu,Liu, Shuang-Shuang,Zhang, Qing-Ye,Yao, Jing-Jing,Wang, Fei-Yan

, p. 1069 - 1072 (2014/08/18)

With the increase of herbicide-resistant weeds, novel, more selective and even more potent herbicides to control weeds are needed. In this paper, a series of N-fluorinated phenyl-N′-pyrimidyl urea derivatives were synthesized and screened for their herbicidal activities against Amaranthus retroflexus (AR) and Setaria viridis (SV). Compound 25 (N-(3-trifluoromethylphenyl)-N′-(2- amino-4-chloro-6-methylpyrimidyl) urea) exhibited marked herbicidal activity against SV (IC50 = 11.67 mg/L) and is more potent than bensulfuron (IC50 = 27.45 mg/L), a commercially available herbicide. A statistically significant CoMFA model with high prediction abilities (q 2 = 0.869, r2 = 0.989) was obtained.

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