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89821-78-3

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89821-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89821-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,2 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89821-78:
(7*8)+(6*9)+(5*8)+(4*2)+(3*1)+(2*7)+(1*8)=183
183 % 10 = 3
So 89821-78-3 is a valid CAS Registry Number.

89821-78-3Relevant articles and documents

Synthesis of the hyper-branched core tetrasaccharide motif of chloroviruses

Mishra, Bijoyananda,Manmode, Sujit,Walke, Gulab,Chakraborty, Saptashwa,Neralkar, Mahesh,Hotha, Srinivas

, p. 1315 - 1328 (2021/02/26)

Chemical synthesis of complex oligosaccharides, especially those possessing hyper-branched structures with one or multiple 1,2-cisglycosidic bonds, is a challenging task. Complementary reactivity of glycosyl donors and acceptors and proper tuning of the s

SYNTHETIC OLIGOSACCHARIDE GROUP A STREPTOCOCCUS

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Page/Page column 29-31, (2012/06/30)

The present invention provides novel synthetic poly-L-rhamnose oligosaccharides, compositions containing the same, and methods of preventing Group A Streptococcus infections.

Synthesis of branched tri- to pentasaccharides representative of fragments of Shigella flexneri serotypes 3a and/or X O-antigens

Boutet, Julien,Guerreiro, Catherine,Mulard, Laurence A.

, p. 10558 - 10572 (2008/12/23)

Fragments of the {2)-[α-d-Glcp-(1→3)]-α-l-Rhap-(1→2)-α-l-Rhap-(1→3)-[Ac→2]-α-l-Rhap-(1→3)-β-d-GlcpNAc-(1→}n ((E)ABAcCD)n polymer were synthesized. D(E)A, CD(E)A, AcCD(E)A were obtained according to a linear strategy, whereas BCD(E)A and BAcCD(E)A were derived from the condensation of appropriate BC and D(E)A building blocks. Oligosaccharides were synthesized as their propyl glycoside, relying on (i) the efficient trichloroacetimidate chemistry, (ii) a common EA allyl glycoside, and (iii) a 2-trichloroacetamido-d-glucopyranose precursor to residue D. Final Pd/C-mediated deprotection, run under a high pressure of hydrogen, ensured O-acetyl stability. All targets are parts of the O-antigen of Shigella flexneri 3a, a prevalent serotype. Non-O-acetylated oligosaccharides are shared by the S. flexneri serotype X O-antigen.

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