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67045-30-1

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67045-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67045-30-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,4 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 67045-30:
(7*6)+(6*7)+(5*0)+(4*4)+(3*5)+(2*3)+(1*0)=121
121 % 10 = 1
So 67045-30-1 is a valid CAS Registry Number.

67045-30-1Downstream Products

67045-30-1Relevant articles and documents

Bisulfate Salt-Catalyzed Friedel-Crafts Benzylation of Arenes with Benzylic Alcohols

Tang, Ren-Jin,Milcent, Thierry,Crousse, Benoit

, p. 14001 - 14009 (2018)

We report here a method of direct Friedel-Crafts benzylation of arenes with benzylic alcohols using cheap and readily available bisulfate salt as the catalyst in hexafluoroisopropanol. The catalytic system is powerful with a quite diverse group of functionalized arenes and benzylic alcohols. These mild conditions provide a straightforward synthesis of a variety of unsymmetrical diarylmethanes in high yield with good to high regioselectivity. An SN1 mechanism involving activation of the hydroxy group through a hydrogen bond is proposed.

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