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106750-70-3

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106750-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106750-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,7,5 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 106750-70:
(8*1)+(7*0)+(6*6)+(5*7)+(4*5)+(3*0)+(2*7)+(1*0)=113
113 % 10 = 3
So 106750-70-3 is a valid CAS Registry Number.

106750-70-3Relevant articles and documents

Path to Industrial Production of Calix[8 and 4]arenes

Haase, Cornelius Heinz Werner

, p. 603 - 611 (2020)

A highly selective and high yield synthesis for the production of calix[8]arenes in concentrated reaction masses is described. Obtained purities are >98% and yields of >80%, with isolation by simple filtration. The developed approach allows for subsequent

Calixarenes. 18. Synthesis Procedures for p-tert-Butylcalixarene

Gutsche, C. David,Iqbal, Muzaffer,Stewart, Donald

, p. 742 - 745 (1986)

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Supramolecular polymeric complexes of calix[8]arenes

Ten'kovtsev,Abramova,Dudkina

, p. 1494 - 1499 (2006)

Formation of ionic complexes of calix[8]arenes with polymers of various basicities was studied, and previously unknown ternary polymeric complexes of calix[8]arenes of the ion-ion (polymer-calixarene-uranyl ion) and ion-hydrophilic molecule-hydrophobic molecule (polymer-calixarene-fullerene) types were prepared.

Enhanced catalysis and enantioselective resolution of racemic naproxen methyl ester by lipase encapsulated within iron oxide nanoparticles coated with calix[8]arene valeric acid complexes

Sayin, Serkan,Akoz, Enise,Yilmaz, Mustafa

, p. 6634 - 6642 (2014)

In this study, two types of nanoparticles have been used as additives for the encapsulation of Candida rugosa lipase via the sol-gel method. In one case, the nanoparticles were covalently linked with a new synthesized calix[8]arene octa valeric acid derivative (C[8]-C4-COOH) to produce new calix[8]arene-adorned magnetite nanoparticles (NP-C[8]-C4-COOH), and then NP-C[8]-C4-COOH was used as an additive in the sol-gel encapsulation process. In the other case, iron oxide nanoparticles were directly added into the sol-gel encapsulation process in order to interact electrostatically with both C[8]-C4-COOH and Candida rugosa lipase. The catalytic activities and enantioselectivities of two novel encapsulated lipases (Enc-NP-C[8]-C4-COOH and Enc-C[8]-C4-COOH@Fe 3O4) in the hydrolysis reaction of racemic naproxen methyl ester were evaluated. The results showed that the activity and enantioselectivity of the lipase were improved when the lipase was encapsulated in the presence of calixarene-based additives. Indeed, the encapsulated lipases have an excellent rate of enantioselectivity, with E = 371 and 265, respectively, as compared to the free enzyme (E = 137). The lipases encapsulated with C[8]-C4-COOH and iron oxide nanoparticles (Enc-C[8]-C 4-COOH@Fe3O4) retained more than 86% of their initial activities after 5 repeated uses and 92% with NP-C[8]-C 4-COOH. This journal is the Partner Organisations 2014.

Phase solubility studies of poorly soluble drug molecules by using O -phosphorylated calixarenes as drug-solubilizing agents

Bayrakc, Mevluet,Ertul, Seref,Yilmaz, Mustafa

, p. 233 - 239 (2012)

This study is the first report on the solubilizing effect of O-phosphorylated calix[n]arenes that form complexes with neutral molecules such as nifedipine, niclosamide, and furosemide by host-guest complexation. These complexation studies were carried out by using the phase solubility technique. From the obtained results, it was observed that the solubility of guest molecules such as nifedipine, niclosamide, and furosemide was significantly increased in the presence of host molecules tetrakis-O-(diethoxyphosphoryl)-p- tert-butylcalix[4]arene (1), tetrakis-O-(diethoxyphosphoryl)-calix[4]arene (2), bis-O-(diethoxyphosphoryl)-p-tert-butylcalix[4]arene (3), bis-O- (diethoxyphosphoryl)-calix[4]arene (4), and octakis-O-(diethoxyphosphoryl)-p- tert-butylcalix[8]arene (5). The increase in solubility of drugs by the calixarene host 1 to 5 was most probably due to inclusion complexation between drug molecules and cavities of the calixarene skeleton similar to drug-cyclodextrin complexes.

Molecular recognition of 1,5 diamino anthraquinone by p-tert-butyl-calix(8) arene

Suganthi,Meenakshi,Ramakrishnan

, p. 1017 - 1022 (2010)

The molecular recognition properties of p-tert-butyl-calix(8)arene with 1,5-diamino anthraquinone (1,5 DAAQ) were studied by using UV-Visible and Fluorescence spectroscopic techniques. The binding constant was determined by using the Benesi-Hilde brand expression. It was found that the host-guest complex was formed between 1,5 DAAQ and p-tert-butyl- calix(8)arene in the 1:2 Stoichiometry ratio. Springer Science+Business Media, LLC 2010.

An expedient one-pot synthesis of para-tert-butylcalix[8]- and [9]arene

Bew, Sean P.,Sharma, Sunil V.

, p. 975 - 977 (2007)

We report the first efficient synthesis of para-tert-butylcalix[8]arene and -[9]arene via an exceptionally straightforward innovative protocol that takes place at ambient temperature, employing readily available tin(iv) chloride and s-trioxane. The Royal Society of Chemistry.

MOLECULES THAT STIMULATE THE IMMUNE SYSTEM FOR TREATMENT OF DRUG ADDICTION, METHODS OF SYNTHESIS, ANTIDRUG VACCINE AND USES

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Paragraph 0049; 0199-0204, (2020/12/20)

This technology relates to immune system stimulating molecules to be used in the treatment of drug addiction and abuse and their synthesis processes. These molecules have a calixarene chemical structure, preferably calix[4]arene and/or calix[8]arene, coupled to an hapten analogous to cocaine, preferably GNE and/or GNC. An anti-drug vaccine, specifically anti-cocaine, is also described using such molecules. The anti-drug vaccine can be also used to prevent fetal exposure to drugs in pregnant women who use drugs and do not wish or cannot stop their use during pregnancy.

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