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1221289-08-2

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1221289-08-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221289-08-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,2,8 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1221289-08:
(9*1)+(8*2)+(7*2)+(6*1)+(5*2)+(4*8)+(3*9)+(2*0)+(1*8)=122
122 % 10 = 2
So 1221289-08-2 is a valid CAS Registry Number.

1221289-08-2Relevant academic research and scientific papers

Indium-Catalysed Transfer Hydrogenation for the Reductive Cyclisation of 2-Alkynyl Enones towards Trisubstituted Furans

Li, Luomo,Kail, Sascha,Weber, Sebastian M.,Hilt, Gerhard

supporting information, p. 23661 - 23666 (2021/10/05)

Indium tribromide catalysed the transfer hydrogenation from dihydroaromatic compounds, such as the commercially available γ-terpinene, to enones, which resulted in the cyclisation to trisubstituted furan derivatives. The reaction was initiated by a Michae

Sc(OTf)3-Catalyzed Diastereoselective Formal [3+2] Cycloaddition Reactions of Alkynylcyclopropane Ketones with Electron-Rich Aromatic Aldehydes to Yield 2,5-trans-Tetrahydrofurans

Zhang, Chi,Xu, Muyun,Ren, Jun,Wang, Zhongwen

, p. 2467 - 2478 (2016/06/01)

In contast to the general [4+2] cycloaddition reactions of alkynylcyclopropane ketones reported in the literature, we report herein a Sc(OTf)3-catalyzed formal intermolecular [3+2] cycloaddition reaction of alkynylcyclopropane ketones with elec

Gold-Catalyzed Concomitant [3 + 3] Cycloaddition/Cascade Heterocyclization of Enynones/Enynals with Azides Leading to Furanotriazines

Siva Kumari, A. Leela,Kumara Swamy

, p. 1425 - 1433 (2016/03/01)

[Au]-catalyzed [3 + 3] cycloaddition reaction of enynones/enynals with azides, which allows the efficient regioselective synthesis of highly fused furo[3,4-d][1,2,3]triazines in good-to-excellent yields under mild conditions, has been developed. The synth

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