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3-O-benzyl-D-erythronolactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91143-55-4

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91143-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91143-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,4 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91143-55:
(7*9)+(6*1)+(5*1)+(4*4)+(3*3)+(2*5)+(1*5)=114
114 % 10 = 4
So 91143-55-4 is a valid CAS Registry Number.

91143-55-4Relevant academic research and scientific papers

A Straightforward Preparation of Both Enantiomerically Pure 2-O-Benzyl-erythro-Butanetetrols

Flasche, Michael,Scharf, Hans-Dieter

, p. 1543 - 1546 (2007/10/02)

A short and efficient synthesis of both enatiomerically pure 2-O-benzyl-erythro-butanetetrols 4 and ent-4 from the readily available D-erthronolactone 1 is presented.The synthesis proceeds in a highly efficient manner and is in both cases substrate controlled.

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