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57646-22-7

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57646-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57646-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,4 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57646-22:
(7*5)+(6*7)+(5*6)+(4*4)+(3*6)+(2*2)+(1*2)=147
147 % 10 = 7
So 57646-22-7 is a valid CAS Registry Number.

57646-22-7Downstream Products

57646-22-7Relevant articles and documents

Proton or Carbene Transfer? On the Dark and Light Reaction of Diazoalkanes with Alcohols

Empel, Claire,He, Feifei,Jana, Sripati,Koenigs, Rene M.,Pei, Chao

, (2022/02/21)

The formal alkylation reaction of OH groups with diazoalkanes under catalyst-free reaction conditions finds broad application in organic synthesis. However, even today, this reaction is mainly limited to the use of diazomethane as reaction partner. In thi

Why are vinyl cations sluggish electrophiles?

Byrne, Peter A.,Kobayashi, Shinjiro,Würthwein, Ernst-Urich,Ammer, Johannes,Mayr, Herbert

, p. 1499 - 1511 (2017/02/10)

The kinetics of the reactions of the vinyl cations 2 [Ph2C=C+-(4-MeO-C6H4)] and 3 [Me2C=C+-(4-MeO-C6H4)] (generated by laser flash photolysis) with diverse nucleophile

Boron Trifluoride?Diethyl Ether-Catalyzed Etherification of Alcohols: A Metal-Free Pathway to Diphenylmethyl Ethers

Li, Jiaqiang,Zhang, Xiaohui,Shen, Hang,Liu, Qing,Pan, Jing,Hu, Wen,Xiong, Yan,Chen, Changguo

, p. 3115 - 3120 (2015/11/03)

A novel boron trifluoride?diethyl ether (BF3?OEt2)-catalyzed etherification procedure has been developed in which primary and secondary alcohols are easily converted into diphenylmethyl ethers with yields of up to 99%.

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