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(2R,3R)-3,4-isopropylidenedioxy-2-methylbutyl p-toluenesulfonate is a complex organic compound with the molecular formula C14H20O6S. It is a chiral molecule, meaning it has a non-superimposable mirror image, and is characterized by its specific (2R,3R) configuration. (2R,3R)-3,4-isopropylidenedioxy-2-methylbutyl p-toluenesulfonate features a p-toluenesulfonate group, which is a toluene derivative with a sulfonate functional group, and an isopropylidenedioxy group, which is a cyclic ether structure. The molecule also includes a 2-methylbutyl chain, which contributes to its overall structure and properties. This chemical is typically used in organic synthesis, particularly in the preparation of complex molecules and pharmaceuticals, due to its unique functional groups and stereochemistry.

74243-91-7

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74243-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74243-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74243-91:
(7*7)+(6*4)+(5*2)+(4*4)+(3*3)+(2*9)+(1*1)=127
127 % 10 = 7
So 74243-91-7 is a valid CAS Registry Number.

74243-91-7Relevant academic research and scientific papers

Stereoselective synthesis of optically active forms of δ-multistriatin, the attractant for european populations of the smaller european elm bark beet

Mori, Kenji,Iwasawa, Hiroko

, p. 87 - 90 (2007/10/02)

A stereoselective synthesis of highly optically pure enantiomers of δ-multistriatin [(1S,2S,4S,5R)-2,4-dimethyl-5-ethyl-6, 8-dioxabicyclo[3.2.1)octane and its antipode] was accomplished starting from tartaric acid enantiomers.

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