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62155-42-4

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62155-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62155-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,1,5 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 62155-42:
(7*6)+(6*2)+(5*1)+(4*5)+(3*5)+(2*4)+(1*2)=104
104 % 10 = 4
So 62155-42-4 is a valid CAS Registry Number.

62155-42-4Downstream Products

62155-42-4Relevant articles and documents

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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