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77149-26-9

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77149-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77149-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,4 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77149-26:
(7*7)+(6*7)+(5*1)+(4*4)+(3*9)+(2*2)+(1*6)=149
149 % 10 = 9
So 77149-26-9 is a valid CAS Registry Number.

77149-26-9Relevant articles and documents

A synthetic zipper peptide motif orchestrated via co-operative interplay of hydrogen bonding, aromatic stacking, and backbone chirality

Nair, Roshna V.,Kheria, Sanjeev,Rayavarapu, Suresh,Kotmale, Amol S.,Jagadeesh, Bharatam,Gonnade, Rajesh G.,Puranik, Vedavati G.,Rajamohanan, Pattuparambil R.,Sanjayan, Gangadhar J.

, p. 11477 - 11480 (2013/09/02)

Here, we report on a new class of synthetic zipper peptide which assumes its three-dimensional zipper-like structure via a co-operative interplay of hydrogen bonding, aromatic stacking, and backbone chirality. Structural studies carried out in both solid- and solution-state confirmed the zipper-like structural architecture assumed by the synthetic peptide which makes use of unusually remote inter-residual hydrogen-bonding and aromatic stacking interactions to attain its shape. The effect of chirality modulation and the extent of noncovalent forces in the structure stabilization have also been comprehensively explored via single-crystal X-ray diffraction and solution-state NMR studies. The results highlight the utility of noncovalent forces in engineering complex synthetic molecules with intriguing structural architectures.

Neighbouring group participation by amide N-H and its possible biological significance

Chandrasekhar, Sosale,Gopalan, Srinivasa

, p. 1237 - 1256 (2007/10/03)

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Conformational Behaviour of Medium-sized Rings. Part 14. Tetraanthranilides

Hoorfar, Alireza,Ollis, W. David,Stoddart, J. Fraser

, p. 1721 - 1726 (2007/10/02)

The stepwise synthesis of N,N',N''-trimethyltetra-anthranilide (13) is reported and the temperature dependence of the 1H n.m.r. spectrum of N-benzyl-N',N'',N'''-trimethyltetra-anthranilide (15) is interpreted in terms of equilibration between three diaste

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