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161582-46-3

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161582-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161582-46-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,5,8 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 161582-46:
(8*1)+(7*6)+(6*1)+(5*5)+(4*8)+(3*2)+(2*4)+(1*6)=133
133 % 10 = 3
So 161582-46-3 is a valid CAS Registry Number.

161582-46-3Relevant articles and documents

Resolution of cis-2-fluorocyclopropanecarboxylic acid by a microbial enantioselective hydrolysis

Imura, Akihiro,Itoh, Motohiro,Miyadera, Akihiko

, p. 3047 - 3052 (2007/10/03)

The important key intermediate of quinolone analogue synthesis, (1S,2S)- 2-fluorocyclopropanecarboxylic acid, was prepared enantioselectively by a microbial resolution. One of the strains with the highest enzymatic specificity was selected from soil and when lyophilized cells were treated with corresponding ester, the remaining (1S,2S)-ester was obtained with high enantiomeric purity (98% e.e.).

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