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1400992-23-5

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1400992-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1400992-23-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,0,9,9 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1400992-23:
(9*1)+(8*4)+(7*0)+(6*0)+(5*9)+(4*9)+(3*2)+(2*2)+(1*3)=135
135 % 10 = 5
So 1400992-23-5 is a valid CAS Registry Number.

1400992-23-5Downstream Products

1400992-23-5Relevant articles and documents

Diverse reactivity in microwave-promoted catalyst-free coupling of substituted anilines with ethyl trifluoropyruvate and biological evaluation

Zhang, Chen,Zhuang, Dao-Min,Li, Jia,Chen, Si-Yuan,Du, Xiao-Long,Wang, Jian-Yong,Li, Jing-Yun,Jiang, Biao,Yao, Jian-Hua

, p. 5621 - 5633 (2013/09/12)

Diverse reactivity by coupling of substituted anilines with ethyl trifluoropyruvate was developed under microwave irradiation without catalysts to generate 3-trifluoromethyl-3-hydroxy oxindoles, aromatic hydroxy trifluoromethyl esters, and 1,2-dicarbonyl compounds in a fast and efficient manner. The plausible mechanism for obtaining different products was proposed. Furthermore, the anti-HIV activity of aromatic hydroxy trifluoromethyl esters was first reported. The best inhibitory activity against wild-type HIV-1 IIIB was exemplified by trifluoromethyloxindole 3q with an IC50 = 5.8 μM, which also displayed potential activity against Y181C mutant virus with an IC50 = 7.5 μM. More significantly, the activities of oxindoles 3q and 3r to inhibit K103N/Y181C double mutant HIV-1 reverse transcriptase (RT) are probably similar to that of the second-generation nonnucleoside inhibitor HBY 097 by docking calculation.

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