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164513-49-9

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164513-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164513-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,5,1 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 164513-49:
(8*1)+(7*6)+(6*4)+(5*5)+(4*1)+(3*3)+(2*4)+(1*9)=129
129 % 10 = 9
So 164513-49-9 is a valid CAS Registry Number.

164513-49-9Relevant articles and documents

Regioselectivity in free radical bromination of unsymmetrical dimethylated pyridines

Thapa, Rajesh,Brown, Jordan,Balestri, Thomas,Taylor, Richard T.

, p. 6743 - 6746 (2014)

During a literature review some curious inconsistencies in the free radical bromination of picolines were noted. To achieve a better understanding of the mechanisms and regioselectivity we reran these reactions, extending our work to unsymmetrical lutidin

New 2,2′-substituted 4,4′-dimethoxy-6,6′-dimethyl[1, 1′-biphenyls], inducing a strong helical twisting power in liquid crystals

Holzwarth, Richard,Bartsch, Richard,Cherkaoui, Zoubair,Solladie, Guy

, p. 3931 - 3935 (2007/10/03)

Based on the stabilisation of the molecular motion by the chiral residue, novel optically active biphenylic chiral dopants for nematic liquid crystals were developed. This molecular congestion was obtained by introducing mesogenic residues on the 2,2′-positions of the chiral biphenyl; this led to a novel molecular architecture that was found to be efficient. The synthesised optically active biphenyls were characterised with very short cholesteric pitches when used as chiral dopants in nematic liquid crystals. The synthesis of the enatiomerically pure biphenyl dopants and their preliminary physicochemical characterisations are described.

Decagram-Scale Synthesis of the Neocarzinostatin Carboxylic Acid

Goerth, Felix Christian,Rucker, Mark,Eckhardt, Matthias,Brueckner, Reinhard

, p. 2605 - 2612 (2007/10/03)

Neocarzinostatin carboxylic acid (2) was synthesized on a 10-g scale in 9 steps and 43% overall yield from 3,5-dimethylanisol (9) (Schemes 5, 7). The hindered bromoarene 23, reached after 3 steps, underwent a high-temperature Heck coupling with ethyl acry

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