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53411-80-6

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53411-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53411-80-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,1 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 53411-80:
(7*5)+(6*3)+(5*4)+(4*1)+(3*1)+(2*8)+(1*0)=96
96 % 10 = 6
So 53411-80-6 is a valid CAS Registry Number.

53411-80-6Relevant articles and documents

Electrochemical Nitration with Nitrite

Blum, Stephan P.,Nickel, Christean,Sch?ffer, Lukas,Karakaya, Tarik,Waldvogel, Siegfried R.

, p. 4936 - 4940 (2021/10/25)

Aromatic nitration has tremendous importance in organic chemistry as nitroaromatic compounds serve as versatile building blocks. This study represents the electrochemical aromatic nitration with NBu4NO2, which serves a dual role as supporting electrolyte and as a safe, readily available, and easy-to-handle nitro source. Stoichiometric amounts of 1,1,1-3,3,3-hexafluoroisopropan-2-ol (HFIP) in MeCN significantly increase the yield by solvent control. The reaction mechanism is based on electrochemical oxidation of nitrite to NO2, which initiates the nitration reaction in a divided electrolysis cell with inexpensive graphite electrodes. Overall, the reaction is demonstrated for 20 examples with yields of up to 88 %. Scalability is demonstrated by a 13-fold scale-up.

POLYCYCLIC ANAPLASTIC LYMPHOMA KINASE INHIBITOR

-

Paragraph 0166; 0167; 0189; 0190; 0220; 0221, (2018/02/06)

Provided is a polycyclic inhibitor of anaplastic lymphoma kinase as represented by Formula (I), or a pharmaceutically acceptable salt or stereoisomer thereof, wherein R1, R2, R3, R4, and ring A are as defined in the description. The invention also relates to a method for preparing the compound, a pharmaceutical preparation and a pharmaceutical composition comprising the compound, and use of the compound, the pharmaceutically acceptable salt or stereoisomer thereof in manufacture of a medicament for the treatment and/or prevention of an anaplastic lymphoma kinase-mediated cancer or non-cancer related diseases.

A new method for the mononitration of phenol derivatives by poly(4-vinylpyridinium nitrate) and silica sulfuric acid under mild conditions

Goudarziafshar, Hamid

experimental part, p. 458 - 461 (2012/06/18)

This procedure works efficiently for high selective mono nitration of phenol and substituted phenol to corresponding nitro compounds in moderate to high yield using poly(4-vinylpyridinium nitrate) and silica sulfuric acid in dichloromethane at room temperature.

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