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68680-86-4

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68680-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68680-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,6,8 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68680-86:
(7*6)+(6*8)+(5*6)+(4*8)+(3*0)+(2*8)+(1*6)=174
174 % 10 = 4
So 68680-86-4 is a valid CAS Registry Number.

68680-86-4Downstream Products

68680-86-4Relevant articles and documents

Enzymatic preparation of (1S,2R)- and (1R,2S)-stereoisomers of 2-halocycloalkanols

Kolodiazhna, Olga O.,Kolodiazhna, Anastasy O.,Kolodiazhnyi, Oleg I.

, p. 37 - 42 (2013/02/25)

The stereoisomers of cis-2-halocycloalkanols were resolved by a kinetically controlled transesterification with vinyl acetate in the presence of lipases in organic media. High enantioselectivities (ee >98%) and good isolated yields were obtained for all substrates using the appropriate lipase. Burkholderia cepacia lipase was the most efficient enzyme for the resolution of these substrates. The enantiomeric purities of the compounds were defined by derivatization with Mosher's acid and the absolute configurations were determined by chemical correlation.

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