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871129-48-5

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871129-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871129-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,1,2 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 871129-48:
(8*8)+(7*7)+(6*1)+(5*1)+(4*2)+(3*9)+(2*4)+(1*8)=175
175 % 10 = 5
So 871129-48-5 is a valid CAS Registry Number.

871129-48-5Downstream Products

871129-48-5Relevant articles and documents

Synthesis and herbicidal evaluation of novel 3-[(α-hydroxy- substituted)benzylidene]pyrrolidine-2,4-diones

Zhu, Youquan,Zou, Xiaomao,Hu, Fangzhong,Yao, Changsheng,Liu, Bin,Yang, Huazheng

, p. 9566 - 9570 (2007/10/03)

A series of 3-[(α-hydroxy-substituted) benzylidene]pyrrolidine-2,4- dione derivatives were synthesized as candidate herbicides by reacting different aroyl acetates with N-substituted glycine esters. The new compounds were identified by 1H NMR spectroscopy and elemental analyses. Their herbicidal activities were evaluated. Some compounds exhibited excellent herbicidal activities at a dose of 187.5 g/ha. A suitable electron-donating substituent at the 2- and/or 4-position of the phenyl ring was essential for high herbicidal activity, a result that has not been reported before. It was also found that the title compound's structure-activity relationships were different from those of other similar kinds of earlier compounds, a result that may depend on the enol structure difference.

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