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41890-49-7

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41890-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41890-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,9 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 41890-49:
(7*4)+(6*1)+(5*8)+(4*9)+(3*0)+(2*4)+(1*9)=127
127 % 10 = 7
So 41890-49-7 is a valid CAS Registry Number.

41890-49-7Relevant academic research and scientific papers

Enantioselective desymmetrization of diesters

Wilent, Jennifer,Petersen, Kimberly S.

, p. 2303 - 2307 (2014/04/03)

The desymmetrization of prochiral diesters with a chiral phosphoric acid catalyst to produce highly enantioenriched lactones in excellent yield is reported. The process is easily scaled and accommodates a variety of substitution patterns, many of which result in the generation of an enantioenriched all-carbon quaternary center. Manipulation of lactone product to useful small building blocks is also described.

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