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((3aR,6R,7S,7aS)-6,7-Dihydroxy-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-ylmethyl)-carbamic acid 4-methoxy-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

319491-83-3

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319491-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 319491-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,9,4,9 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 319491-83:
(8*3)+(7*1)+(6*9)+(5*4)+(4*9)+(3*1)+(2*8)+(1*3)=163
163 % 10 = 3
So 319491-83-3 is a valid CAS Registry Number.

319491-83-3Relevant 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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