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Benzenesulfinic acid (R)-((1S,2R)-2-hydroxy-1-methyl-2-phenyl-ethyl)-methyl-amide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42843-28-7

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42843-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42843-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,4 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42843-28:
(7*4)+(6*2)+(5*8)+(4*4)+(3*3)+(2*2)+(1*8)=117
117 % 10 = 7
So 42843-28-7 is a valid CAS Registry Number.

42843-28-7Downstream Products

42843-28-7Relevant academic research and scientific papers

Optically pure chiral sulfoxides using ephedrine as a chiral auxiliary

Benson, Scott C.,Snyder, John K.

, p. 5885 - 5888 (2007/10/02)

Optically pure chiral sulfoxides can be formed in good to excellent yields by sequential displacement reactions of organometallic reagents on the 1,2,3-oxathiazolidine-S-oxide formed from ephedrine and thionyl chloride, a modification of the Wudl and Lee procedure.

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