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166940-44-9

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166940-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166940-44-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,9,4 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 166940-44:
(8*1)+(7*6)+(6*6)+(5*9)+(4*4)+(3*0)+(2*4)+(1*4)=159
159 % 10 = 9
So 166940-44-9 is a valid CAS Registry Number.

166940-44-9Relevant articles and documents

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Marvel,Saunders,Overberger

, p. 1085,1086 (1946)

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Manganese-Catalyzed Enantioselective Hydrogenation of Simple Ketones Using an Imidazole-Based Chiral PNN Tridentate Ligand

Chen, Jiachen,Hou, Huacui,Ling, Fei,Nian, Sanfei,Wu, Feifei,Xu, Min,Yi, Xiao,Zhong, Weihui

supporting information, p. 285 - 289 (2020/02/18)

A series of Mn(I) catalysts containing imidazole-based chiral PNN tridentate ligands with controllable 'side arm' groups have been established, enabling the inexpensive base-promoted asymmetric hydrogenation of simple ketones with outstanding activities (up to 8200 TON) and good enantioselectivities (up to 88.5percent ee). This protocol features wide substrate scope and functional group tolerance, thereby providing easy access to a key intermediate of crizotinib.

AZAINDOLE COMPOUNDS, SYNTHESIS THEREOF, AND METHODS OF USING THE SAME

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Paragraph 0168; 0225; 0226, (2015/02/18)

The invention provides compounds of formula (I) and methods of treating a Mycobacterium infection or tuberculosis, or inhibiting DprE1 with the same.

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