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1542159-20-5

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1542159-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1542159-20-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,2,1,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1542159-20:
(9*1)+(8*5)+(7*4)+(6*2)+(5*1)+(4*5)+(3*9)+(2*2)+(1*0)=145
145 % 10 = 5
So 1542159-20-5 is a valid CAS Registry Number.

1542159-20-5Downstream Products

1542159-20-5Relevant academic research and scientific papers

Rhodium/phospholane-phosphite catalysts give unusually high regioselectivity in the enantioselective hydroformylation of vinyl arenes

Noonan, Gary M.,Cobley, Christopher J.,Mahoney, Thomas,Clarke, Matthew L.

, p. 1475 - 1477 (2014)

Using the phospholane-phosphite ligand, BOBPHOS, almost perfect regioselectivities and high enantioselectivities (up to 92% ee) are observed in Rh catalysed enantioselective hydroformylation of vinyl arenes. This can be achieved under solvent-free conditions. The Royal Society of Chemistry.

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