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95687-91-5

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95687-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95687-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,6,8 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 95687-91:
(7*9)+(6*5)+(5*6)+(4*8)+(3*7)+(2*9)+(1*1)=195
195 % 10 = 5
So 95687-91-5 is a valid CAS Registry Number.

95687-91-5Relevant articles and documents

Synthetic Approaches to Nortropanes and Nortrop-6-enes; Intramolecular Displacement by Nitrogen in 7-Membered Rings

Naylor, Antoinette,Howarth, Nicola,Malpass, John R.

, p. 451 - 468 (2007/10/02)

The synthesis of simple nortropane and nortrop-6-ene derivatives from cyclohepta-1,3-diene is described.The key intermediates are trans-1-amino-4-chloro-cycloheptanes and -cyclohept-2-enes which are derived efficiently from the corresponding cis-amino-alcohols and undergo intramolecular cyclisation.Corresponding derivatisation of cyclohexa- and cycloocta-1,3-dienes is explored and attempts to achieve Pd-catalysed cyclisation of 1-amino-4-acetoxy-derivatives is described.Nitrogen inversion data for selected nortropane derivatives are included. Key Words: nortropanes/enes; 1,4-disubstitute cyclohexanes, cycloheptanes, cyclooctanes and -enes; intramolecular cyclisation; slow nitrogen inversion.

A new synthetic route to tropane alkaloids based on [4 + 2] nitroso cycloaddition to 1,3-cycloheptadienes

Iida,Watanabe,Kibayashi

, p. 1818 - 1825 (2007/10/02)

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