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161870-59-3

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161870-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161870-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,7 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161870-59:
(8*1)+(7*6)+(6*1)+(5*8)+(4*7)+(3*0)+(2*5)+(1*9)=143
143 % 10 = 3
So 161870-59-3 is a valid CAS Registry Number.

161870-59-3Relevant articles and documents

α-Alkylation of Ketones with Alkenes Enabled by Photoinduced Activation of Silyl Enol Ethers in the Presence of a Small Amount of Water

Hirata, Tsubasa,Ogasawara, Yoshihiro,Yamashita, Yasuhiro,Kobayashi, Shū

supporting information, p. 5693 - 5697 (2021/08/03)

Under blue-light irradiation conditions with a photocatalyst [1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene], silyl enol ethers reacted with alkenes in the presence of a small amount of water to afford the α-alkylation products in good to high yields. A thiol cocatalyst was found to expand the substrate scope of the reaction.

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