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1422984-99-3

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1422984-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422984-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,9,8 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1422984-99:
(9*1)+(8*4)+(7*2)+(6*2)+(5*9)+(4*8)+(3*4)+(2*9)+(1*9)=183
183 % 10 = 3
So 1422984-99-3 is a valid CAS Registry Number.

1422984-99-3Relevant articles and documents

3-nitro-2-phenyl-2-(Trifluoromethyl)-2h-chromenes: Synthesis and reactions with nucleophiles

Barkov, Alexey Yu.,Korotaev, Vladislav Yu.,Kotovich, Ivan V.,Zimnitskiy, Nikolai S.,Kutyashev, Igor B.,Sosnovskikh, Vyacheslav Ya.

, p. 814 - 822 (2016)

A method is proposed for the synthesis of 3-nitro-2-phenyl-2-(trifluoromethyl)-2H-chromenes by tandem condensation of salicylic aldehydes with (E)-3,3,3-trifluoro-1-nitro-2-phenylprop-1-ene in the presence of triethylamine. The example of 3-nitro-2-phenyl

Access to Chiral GABA Analogues Bearing a Trifluoromethylated All-Carbon Quaternary Stereogenic Center through Water-Promoted Organocatalytic Michael Reactions

Sim, Jae Hun,Park, Jin Hyun,Maity, Pintu,Song, Choong Eui

supporting information, p. 6715 - 6719 (2019/10/02)

Water enables the highly challenging enantioselective Michael addition of sterically congested β-trifluoromethyl-β-aryl- or -alkyl-substituted nitroolefins with dithiomalonates. Under on-water conditions, the reaction rates were remarkably accelerated as

Enantioselective Michael Addition of Pyrazolin-5-ones to β-CF3-β-Disubstituted Nitroalkenes Catalyzed by Squaramide Organocatalyst

Lai, Xiaoyan,Zha, Gaofeng,Liu, Wei,Xu, Yan,Sun, Panpan,Xia, Tao,Shen, Yongcun

supporting information, p. 1983 - 1988 (2016/08/09)

A highly enantioselective Michael addition of pyrazolin-5-ones with β-CF3-β-disubstituted nitroalkenes catalyzed by bifunctional squaramide has been developed. Various chiral β-CF3-β-5-hydroxy-pyrazolin-3-yl-disubstituted nitroalkane derivatives bearing all-carbon quaternary stereocenter were prepared in good yields (up to 88%) and excellent enantioselectivities (up to 97% ee).

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