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55153-67-8

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55153-67-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55153-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,1,5 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55153-67:
(7*5)+(6*5)+(5*1)+(4*5)+(3*3)+(2*6)+(1*7)=118
118 % 10 = 8
So 55153-67-8 is a valid CAS Registry Number.

55153-67-8Downstream Products

55153-67-8Relevant articles and documents

Simple formylation of aromatic compounds using a sodium formate/triphenylphosphine ditriflate system

Khodaei, Mohammad M.,Alizadeh, Abdolhamid,Hezarkhani, Hadis Afshar

, p. 840 - 843 (2017)

A new procedure was developed for formylation of arenes to produce aromatic aldehydes using a sodium formate/triphenylphosphine ditriflate system in ethanol at room temperature in good yields. The simplicity of the procedure, short reaction times, and mild reaction conditions are the other advantages of this metal- and carbon monoxide-free protocol.

Synthesis of diarylmethanes via a Friedel-Crafts benzylation using arenes and benzyl alcohols in the presence of triphenylphosphine ditriflate

Khodaei, Mohammad Mehdi,Nazari, Ehsan

experimental part, p. 5131 - 5135 (2012/09/22)

Triphenylphosphine ditriflate (TPPD) was found to be an efficient promoter for the Friedel-Crafts benzylation of arenes with benzyl alcohols in CH 2Cl2 at room temperature. The good yields, the 1:1 molar ratio of arene and benzyl alcohol, the benzylation of chlorobenzene as a nonactivated aromatic compound at room temperature, and no by-product formation are the main advantages of this procedure.

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