Cas 20247-99-8,(3S)-6α-Decyltetrahydro-3β-methyl-2-oxo-2H-pyran-4α-carboxylic acid

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Check Digit Verification of cas no

The CAS Registry Mumber 20247-99-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,4 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20247-99:
(7*2)+(6*0)+(5*2)+(4*4)+(3*7)+(2*9)+(1*9)=88
88 % 10 = 8
So 20247-99-8 is a valid CAS Registry Number.

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20247-99-8Relevant academic research and scientific papers

On the Chemistry of Roccellic Acid

Huneck, Siegfried,Schmidt, Juergen,Porzel, Andrea

, p. 561 - 568 (2007/10/02)

The isomerization of roccellic acid to threo-roccellic acid has been investigated.Reduction of dimethyl roccellate with LiAlH4 gave the corresponding diol which yielded on oxidation with Jones' reagent two isomeric γ-lactones. 1-Methyl roccellic amide has been transformed by a photochemical reaction to the δ-lactone acaranoic acid.Two copper complexes of roccelimide have been prepared. - Keywords: Lichens, Roccella fucoides, Roccellic Acid, Acaranoic Acid

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