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18486-38-9

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18486-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18486-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,8 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 18486-38:
(7*1)+(6*8)+(5*4)+(4*8)+(3*6)+(2*3)+(1*8)=139
139 % 10 = 9
So 18486-38-9 is a valid CAS Registry Number.

18486-38-9Relevant articles and documents

The improved synthesis of β-D-Glucuronides using TEMPO and t-butyl hypochlorite

Melvin,McNeill,Henderson,Herbert

, p. 1201 - 1202 (1999)

TEMPO/t-BuOCl is used to oxidise β-D-glucosides to β-D-glacuronides in high yield as a pivotal step in the preparation of labelled glucuronides from labelled glucose samples.

Efficient Synthesis of Muramic and Glucuronic Acid Glycodendrimers as Dengue Virus Antagonists

García-Oliva, Cecilia,Cabanillas, Alfredo H.,Perona, Almudena,Hoyos, Pilar,Rumbero, ángel,Hernáiz, María J.

, p. 1588 - 1596 (2020/02/05)

Carbohydrates are involved in many important pathological processes, such as bacterial and viral infections, by means of carbohydrate-protein interactions. Glycoconjugates with multiple carbohydrates are involved in multivalent interactions, thus increasing their binding strengths to proteins. In this work, we report the efficient synthesis of novel muramic and glucuronic acid glycodendrimers as potential Dengue virus antagonists. Aromatic scaffolds functionalized with a terminal ethynyl groups were coupled to muramic and glucuronic acid azides by click chemistry through optimized synthetic strategies to afford the desired glycodendrimers with high yields. Surface Plasmon Resonance studies have demonstrated that the compounds reported bind efficiently to the Dengue virus envelope protein. Molecular modelling studies were carried out to simulate and explain the binding observed. These studies confirm that efficient chemical synthesis of glycodendrimers can be brought about easily offering a versatile strategy to find new active compounds against Dengue virus.

Electroorganic synthesis 66: Selective anodic oxidation of carbohydrates mediated by TEMPO

Schnatbaum, Karsten,Sch?fer, Hans J.

, p. 864 - 872 (2007/10/03)

The carbohydrates 4-15 are anodically oxidized with 2,2,6,6- tetramethylpiperidin-1-oxyl (TEMPO) as mediator. Selective and complete reaction at the primary hydroxyl groups affords the corresponding carboxylic acids 16-32 in moderate to excellent yield. Methyl α-D-glucopyranoside is converted in 98% yield to the uronic acid 16. Cyclic voltammetry shows that the oxydation is base-catalyzed and the oxidation of the hydroxy group with TEMPO+ (2) is rate determining.

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