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61475-92-1

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61475-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61475-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,4,7 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 61475-92:
(7*6)+(6*1)+(5*4)+(4*7)+(3*5)+(2*9)+(1*2)=131
131 % 10 = 1
So 61475-92-1 is a valid CAS Registry Number.

61475-92-1Relevant articles and documents

Diastereoselective synthesis of 2,5-disubstituted decahydroquinolines via ring-rearrangement metathesis and zirconium-mediated cyclization

Neidhoefer, Juergen,Blechert, Siegfried

, p. 3047 - 3054 (2007/10/03)

A diastereoselective approach to 2,5-substituted decahydroquinolines by zirconium-mediated cyclization of unsaturated α,α′- disubstituted piperidines II is described. The required piperidines could be obtained from secondary sulfonamides III via ruthenium-catalyzed ring-rearrangement metathesis (RRM) in high yields. Racemic trans-195A and 2-epi-trans-195A were synthesized in 8 steps starting with butyraldehyde and cyclohex-2-enol.

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