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1609653-20-4

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1609653-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609653-20-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,6,5 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1609653-20:
(9*1)+(8*6)+(7*0)+(6*9)+(5*6)+(4*5)+(3*3)+(2*2)+(1*0)=174
174 % 10 = 4
So 1609653-20-4 is a valid CAS Registry Number.

1609653-20-4Downstream Products

1609653-20-4Relevant academic research and scientific papers

METHOD FOR PRODUCING PERFLUOROALKYLATED COMPOUND

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Paragraph 0093; 0103, (2020/09/15)

Provided is a method for producing a perfluoroalkylated compound at low cost, safely and with high efficiency. A method for producing a perfluoroalkylated compound, comprising reacting a bis(perfluoroalkanoyl) peroxide with a compound having a carbon-carb

Copper-Promoted Intramolecular Aminotrifluoromethylation of Alkenes with Langlois Reagent as the Trifluoromethyl Source

Zhang, Hong-Yu,Huo, Wenge,Ge, Chao,Zhao, Jiquan,Zhang, Yuecheng

supporting information, p. 962 - 965 (2017/05/05)

A novel approach for copper-promoted intramolecular aminotrifluoromethylation of alkenes using inexpensive CF3SO2Na as the trifluoromethyl source is described. The feature of this method is the concurrent construction of a five-membered ring and a C-CF3 bond in the simple copper salt/TBHP system. A gram-scale reaction was tested with a slight decrease in the yield. This protocol provides an operationally simple, step-economical and synthetically useful access to a variety of trifluoromethyl indolines, pyrrolidines and lactams.

Efficient copper-catalyzed direct intramolecular aminotrifluoromethylation of unactivated alkenes with diverse nitrogen-based nucleophiles

Lin, Jin-Shun,Xiong, Ya-Ping,Ma, Can-Liang,Zhao, Li-Jiao,Tan, Bin,Liu, Xin-Yuan

, p. 1332 - 1340 (2014/04/03)

A mild, convenient, and step-economical intramolecular aminotrifluoromethylation of unactivated alkenes with a variety of electronically distinct, nitrogen-based nucleophiles in the presence of a simple copper salt catalyst, in the absence of extra ligand

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