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2,3,5,6-Tetrafluoro-1,4-bis(pentafluorophenylsulfanyl)benzene is a complex organic compound characterized by its unique molecular structure. It consists of a benzene ring with four fluorine atoms at the 2, 3, 5, and 6 positions, and two pentafluorophenylsulfanyl groups attached to the 1 and 4 positions. The pentafluorophenylsulfanyl groups are composed of a phenyl ring with five fluorine atoms and a sulfur atom. 2,3,5,6-tetrafluoro-1,4-bis(pentafluorophenylsulfanyl)benzene is known for its stability and unique electronic properties, which can be attributed to the presence of fluorine and sulfur atoms in its structure. It is often used in the synthesis of various specialty chemicals and materials, such as polymers and pharmaceuticals, due to its ability to influence the physical and chemical properties of these substances.

1835-57-0

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1835-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1835-57-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,3 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1835-57:
(6*1)+(5*8)+(4*3)+(3*5)+(2*5)+(1*7)=90
90 % 10 = 0
So 1835-57-0 is a valid CAS Registry Number.

1835-57-0Relevant academic research and scientific papers

Nitrogen Arylation for Macrocyclization of Unprotected Peptides

Lautrette, Guillaume,Touti, Fay?al,Lee, Hong Geun,Dai, Peng,Pentelute, Bradley L.

supporting information, p. 8340 - 8343 (2016/07/26)

We describe an efficient and mild method for the synthesis of macrocyclic peptides via nitrogen arylation from unprotected precursors. Various electrophiles and lysine-based nucleophiles were investigated and showed high-yielding product formation, even f

Convergent diversity-oriented side-chain macrocyclization scan for unprotected polypeptides

Zou, Yekui,Spokoyny, Alexander M.,Zhang, Chi,Simon, Mark D.,Yu, Hongtao,Lin, Yu-Shan,Pentelute, Bradley L.

supporting information, p. 566 - 573 (2014/01/06)

Here we describe a general synthetic platform for side-chain macrocyclization of an unprotected peptide library based on the SNAr reaction between cysteine thiolates and a new generation of highly reactive perfluoroaromatic small molecule linke

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