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1561041-25-5

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1561041-25-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1561041-25-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,1,0,4 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1561041-25:
(9*1)+(8*5)+(7*6)+(6*1)+(5*0)+(4*4)+(3*1)+(2*2)+(1*5)=125
125 % 10 = 5
So 1561041-25-5 is a valid CAS Registry Number.

1561041-25-5Relevant articles and documents

Enantioselective Palladium-Catalyzed Hydrophosphinylation of Allenes with Phosphine Oxides: Access to Chiral Allylic Phosphine Oxides

Wang, Jun,Yang, Zhiping

, p. 27288 - 27292 (2021/11/17)

A Pd-catalyzed hydrophosphinylation of alkyl and aryl-oxyallenes with phosphine oxides has been developed for the efficient and rapid construction of a family of chiral allylic phosphine oxides with a diverse range of functional groups. This methodology was further applied in the facile construction of chiral 2H-chromene and later stage functionalization of cholesterol.

Gold(i)-catalysed [1,3] O→C rearrangement of allenyl ethers

Kona, Chandrababu Naidu,Ramana, Chepuri V.

supporting information, p. 2152 - 2154 (2014/02/14)

A simple and rapid access to the α-substituted acryl aldehydes has been provided by developing a gold-catalysed [1,3] rearrangement of the allenyl ethers importantly with a record turnover frequency of 4600 h-1 (at 0.05 mol% of the catalyst concentration) in homogeneous gold(i) catalysis. The Royal Society of Chemistry.

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