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403500-96-9

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403500-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 403500-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,5,0 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 403500-96:
(8*4)+(7*0)+(6*3)+(5*5)+(4*0)+(3*0)+(2*9)+(1*6)=99
99 % 10 = 9
So 403500-96-9 is a valid CAS Registry Number.

403500-96-9Downstream Products

403500-96-9Relevant academic research and scientific papers

Designing new chiral ketone catalysts. Asymmetric epoxidation of cis-olefins and terminal olefins

Tian, Hongqi,She, Xuegong,Yu, Hongwu,Shu, Lianhe,Shi, Yian

, p. 2435 - 2446 (2007/10/03)

This paper describes a new class of chiral oxazolidinone ketone catalyst for asymmetric epoxidation. High ee values have been obtained for a number of cyclic and acyclic cis-olefins. The epoxidation was stereospecific with no isomerization observed in the epoxidation of acyclic systems. Encouragingly high ee values have also been obtained for a number of terminal olefins. Mechanistic studies show that electronic interactions play an important role in stereodifferentiation.

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