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81517-80-8

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81517-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81517-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,1 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81517-80:
(7*8)+(6*1)+(5*5)+(4*1)+(3*7)+(2*8)+(1*0)=128
128 % 10 = 8
So 81517-80-8 is a valid CAS Registry Number.

81517-80-8Downstream Products

81517-80-8Relevant articles and documents

Homologues of Monocyclic Monoterpenes. Tetramethylated Derivatives of Carvone, Carveol, β-Terpineol, Sobrerol, and Related Compounds

Giguere, Raymond J.,Ilsemann, Godard von,Hoffmann, H. M. R.

, p. 4948 - 4954 (2007/10/02)

Epoxidation of tetramethyllimonene (1) gave monoepoxide 2t, which was opened regioselectively to endo and exo tetramethylated trans-carveols 3t and 5t, respectively.The alcohols were further oxidized to tetramethylcarvone (4) and its unstable exocyclic is

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