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129759-54-2

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129759-54-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129759-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,5 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129759-54:
(8*1)+(7*2)+(6*9)+(5*7)+(4*5)+(3*9)+(2*5)+(1*4)=172
172 % 10 = 2
So 129759-54-2 is a valid CAS Registry Number.

129759-54-2Relevant articles and documents

Modular synthesis of triarylmethanes through palladium-catalyzed sequential arylation of methyl phenyl sulfone

Nambo, Masakazu,Crudden, Cathleen M.

supporting information, p. 742 - 746 (2014/01/23)

Triarylmethanes, which are valuable structures in materials, sensing and pharmaceuticals, have been synthesized starting from methyl phenyl sulfone as an inexpensive and readily available template. The three aryl groups were installed through two sequential palladium-catalyzed C-H arylation reactions, followed by an arylative desulfonation. This method provides a new synthetic approach to multisubstituted triarylmethanes using readily available haloarenes and aryl boronic acids, and is also valuable for the preparation of unexplored triarylmethane-based materials and pharmaceuticals. Unsymmetric triarylmethanes have been synthesized starting from methyl phenyl sulfone as an inexpensive and readily available template. The three aryl groups were installed through two sequential palladium-catalyzed C-H arylation reactions, followed by an arylative desulfonation. Copyright

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