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1025505-77-4

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1025505-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1025505-77-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,5,5,0 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1025505-77:
(9*1)+(8*0)+(7*2)+(6*5)+(5*5)+(4*0)+(3*5)+(2*7)+(1*7)=114
114 % 10 = 4
So 1025505-77-4 is a valid CAS Registry Number.

1025505-77-4Relevant articles and documents

Enantioselective Access to Chiral Cyclic Sulfamidates Through Iridium-Catalyzed Asymmetric Hydrogenation

Liu, Yuanhua,Huang, Yi,Yi, Zhiyuan,Liu, Gongyi,Dong, Xiu-Qin,Zhang, Xumu

, p. 1582 - 1586 (2019/02/19)

The Iridium-catalyzed asymmetric hydrogenation of cyclic sulfamidate imines was successfully developed with N-methylated ZhaoPhos L2 as the ligand. A variety of chiral cyclic sulfamidates were obtained with excellent results (up to 99% yield, 99% ee). Furthermore, this asymmetric hydrogenation can be employed as the key reaction step to prepare the important intermediates in organic synthesis. (Figure presented.).

Enantioselective synthesis of cyclic sulfamidates via Pd-catalyzed hydrogenation

Wang, You-Qing,Yu, Chang-Bin,Wang, Da-Wei,Wang, Xiao-Bing,Zhou, Yong-Gui

supporting information; scheme or table, p. 2071 - 2074 (2009/04/18)

Using Pd(CF3;CO2)2/(S,S)-f-binaphane as the catalyst, an efficient enantioselective synthesis of cyclic sulfamidates was developed via asymmetric hydrogenation of the corresponding cyclic imines in 2,2,2-trifluoroethanol at room temperature with high enantioselectivities (up to 99% ee).

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