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106064-57-7

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106064-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106064-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,0,6 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 106064-57:
(8*1)+(7*0)+(6*6)+(5*0)+(4*6)+(3*4)+(2*5)+(1*7)=97
97 % 10 = 7
So 106064-57-7 is a valid CAS Registry Number.

106064-57-7Relevant articles and documents

Substrate modification as a means of enhancing the enantioselectivity of microbial reductions of β-keto esters. An (R)- or (S )-1,3,5-trihydroxypentane synthon

Brooks, Dee W.,Kellogg, Rosemary P.,Cooper, Curt S.

, p. 192 - 196 (2007/10/02)

The enantioselectivity of yeast-mediated reduction of 5-(benzyloxy)-3-oxopentanoate esters can be optimized by simple selection of a suitable ester alkoxy group. The resulting chiral 5-(benzyloxy)-3-hydroxypentanoates with > 95% ee can serve as either an (R)- or (S)-1,3,5-trihydroxypentane synthon for asymmetric syntheses. The synthesis of a key optically active intermediate for (S)-(-)-lipoic acid is provided as an example.

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