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1256282-70-8

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1256282-70-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256282-70-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,8 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1256282-70:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*8)+(3*2)+(2*7)+(1*0)=158
158 % 10 = 8
So 1256282-70-8 is a valid CAS Registry Number.

1256282-70-8Upstream product

1256282-70-8Downstream Products

1256282-70-8Relevant academic research and scientific papers

A new non-cross-linked polystyrene supported 2-phenylimino-2-oxazolidine chiral auxiliary: Synthesis and application in asymmetric alkylation reactions

Hu, Fu-Qiang,Xia, De-Xin,Lu, Cui-Fen,Chen, Zu-Xing,Yang, Gui-Chun

, p. 5552 - 5554 (2010)

The synthesis of novel non-cross-linked polystyrene supported 2-phenylimino-2-oxazolidine is described, and its use as a chiral auxiliary in asymmetric alkylation reactions is demonstrated by the synthesis of several chiral amides (>96%ee). Furthermore, recovery and recycling of the polymer-supported chiral auxiliary were successfully achieved without appreciable reduction in the yield or stereoselectivity. The synthesis of novel non-cross-linked polystyrene supported 2-phenylimino-2-oxazolidine is described, and its use as a chiral auxiliary in asymmetric alkylation reactions is demonstrated by the synthesisof several chiral amides (>96%ee). Recovery and recycling of the polymer-supported chiral auxiliary were successfully achieved without appreciable reduction in the yield or stereoselectivity.

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