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1258512-04-7

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1258512-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1258512-04-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,5,1 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1258512-04:
(9*1)+(8*2)+(7*5)+(6*8)+(5*5)+(4*1)+(3*2)+(2*0)+(1*4)=147
147 % 10 = 7
So 1258512-04-7 is a valid CAS Registry Number.

1258512-04-7Relevant articles and documents

Cobalt-Catalyzed Chemoselective Transfer Hydrogenative Cyclization Cascade of Enone-Tethered Aldehydes

Ma, Shuang-Shuang,Jiang, Biao-Ling,Yu, Zheng-Kun,Zhang, Suo-Jiang,Xu, Bao-Hua

, p. 3873 - 3878 (2021/05/26)

The ligand-free Co-catalyzed chemoselective reductive cyclization cascade of enone-tethered aldehydes with i-PrOH as the environmentally benign hydrogen surrogate is developed by this study. Mechanistic studies disclosed that such a protocol is initiated

NHC-catalyzed spiro bis-indane formation via domino stetter - Aldol - Michael and stetter - Aldol - Aldol reactions

Sanchez-Larios, Eduardo,Holmes, Janice M.,Daschner, Crystal L.,Gravel, Michel

supporting information; experimental part, p. 5772 - 5775 (2011/03/22)

Two novel domino NHC-catalyzed spirocyclizations are described herein, enabling the rapid construction of three new carbon - carbon bonds and a quaternary center with high diastereoselectivity. A variety of spiro bis-indane structures are assembled in a single step from simple o-phthaldialdehyde derivatives.

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