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(S)-6-benzyloxy-2-(2-dimethylaminoethyl)-2,5,7,8-tetramethylchroman is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

443903-19-3

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443903-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443903-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,9,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 443903-19:
(8*4)+(7*4)+(6*3)+(5*9)+(4*0)+(3*3)+(2*1)+(1*9)=143
143 % 10 = 3
So 443903-19-3 is a valid CAS Registry Number.

443903-19-3Downstream Products

443903-19-3Relevant academic research and scientific papers

2,5,6,7,8-Pentasubstituted (S)- and (R)-[2-chroman-2-yl]ethanols as intermediates for the synthesis of α-tocopherol and its chiral analogs

Odinokov,Spivak,Emel'yanova,Gamalevich,Serebryakov

, p. 2121 - 2129 (2007/10/03)

In the presence of lipase from the yeast Candida cylindracea, partial acetylation of (±)-2-[6-benzyloxy-2,5,7,8-tetramethylchroman-2-yl]ethanol with vinyl acetate gives S-(+)-acetate whose alkaline hydrolysis affords (5)-( - )-alcohol. Repeated enzymatic

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