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173546-40-2

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173546-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173546-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,5,4 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 173546-40:
(8*1)+(7*7)+(6*3)+(5*5)+(4*4)+(3*6)+(2*4)+(1*0)=142
142 % 10 = 2
So 173546-40-2 is a valid CAS Registry Number.

173546-40-2Relevant articles and documents

Intramolecular N-Me and N-H aminoetherification for the synthesis ofN-unprotected 3-amino-O-heterocycles

Paudyal, Mahesh P.,Wang, Mingliang,Siitonen, Juha H.,Hu, Yimin,Yousufuddin, Muhammed,Shen, Hong C.,Falck, John R.,Kürti, László

supporting information, p. 557 - 560 (2021/02/06)

A mild Rh-catalyzed method for synthesis of cyclic unprotected N-Me and N-H 2,3-aminoethers using an olefin aziridination-aziridine ring-opening domino reaction has been developed. The method is readily applicable to the stereocontrolled synthesis of a va

Nickel Catalyzed Regio-, Diastereo-, and Enantioselective Cross-Coupling of 3,4-Epoxyalcohol with Aryl Iodides

Banerjee, Amit,Yamamoto, Hisashi

supporting information, p. 4363 - 4366 (2017/08/23)

The first catalytic, regioselective cross-coupling of 3,4-epoxyalcohol with aryl iodides is reported. The combination of NiCl2·DME and a newly developed C2-symmetric oxazoline ligand plays a key role in selective ring opening of seve

Copper-Catalyzed Diastereoselective Synthesis of Trifluoromethylated Tetrahydrofurans

Wang, Yanan,Jiang, Min,Liu, Jin-Tao

supporting information, p. 1322 - 1327 (2016/04/26)

The copper-catalyzed intramolecular diastereoselective trifluoromethylcycloetherification of homoallylic alcohols with Togni's reagent as trifluoromethylating reagent was realized under mild conditions. Various trifluoromethylated tetrahydrofurans were synthesized in moderate to good yields. Moreover, a wide range of common functional groups was tolerated.

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