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5208-54-8

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5208-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5208-54-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,0 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5208-54:
(6*5)+(5*2)+(4*0)+(3*8)+(2*5)+(1*4)=78
78 % 10 = 8
So 5208-54-8 is a valid CAS Registry Number.

5208-54-8Relevant articles and documents

3. 2. 1.

Bridges,Raman,Ng,Jones

, p. 1461 - 1467 (2007/10/02)

Preparative-scale horse liver alcohol dehydrogenase catalyzed oxidations of meso-1,3-bis(hydroxymethyl)cyclopentyl and -cyclohexyl substrates proceed stereospecifically to give 42-81% yields of the corresponding chiral bridged-bicyclic gamma -lactones of 100% ee. For each diol, oxidation of the hydroxymethyl group attached to the S center occurs exclusively. The stereospecificities observed are as predicted by the active-site model of the enzyme.

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