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1428369-89-4

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1428369-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428369-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,3,6 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1428369-89:
(9*1)+(8*4)+(7*2)+(6*8)+(5*3)+(4*6)+(3*9)+(2*8)+(1*9)=194
194 % 10 = 4
So 1428369-89-4 is a valid CAS Registry Number.

1428369-89-4Downstream Products

1428369-89-4Relevant academic research and scientific papers

Construction of monocyclic eight-membered rings: Intermolecular rhodium(I)-catalyzed [6+2] cycloaddition of 4-allenals with alkynes

Oonishi, Yoshihiro,Hosotani, Akihito,Sato, Yoshihiro

, p. 11548 - 11551 (2013/01/15)

Rounding up: A RhI-catalyzed intermolecular cycloaddition of 4-allenals with alkynes has been developed that provides various monocyclic eight-membered rings in good to high yields in a stereoselective manner (see scheme). In addition, the chirality of the starting allene is transferred in this reaction, thereby giving optically active monocyclic eight-membered ring compounds. Copyright

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