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1878-92-8

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1878-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1878-92-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,7 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1878-92:
(6*1)+(5*8)+(4*7)+(3*8)+(2*9)+(1*2)=118
118 % 10 = 8
So 1878-92-8 is a valid CAS Registry Number.

1878-92-8Relevant articles and documents

Synthesis of N-Glycosyl-2-oxindoles by Pd-Catalyzed N-Arylation of 1-Amidosugars

Letribot, Boris,Redjdal, Wafa,Redjdal, Wafa,Benmerad, Belkacem,Le Bideau, Franck,Alami, Mouad,Messaoudi, Samir

supporting information, p. 4201 - 4206 (2020/06/04)

An efficient intramolecular Pd-catalyzed N-arylation of o-iodo-amidosugars for the synthesis of N-glycosylated oxindoles has been reported. The coupling reaction takes place in toluene and involves Pd(OAc)2/RuPhos catalytic systems in the presence of K2CO3. This versatile approach was extended successfully to the synthesis of other N-glycosylated heterocycles.

Synthesis and biological evaluation of new quinoxaline derivatives of ICF01012 as melanoma-targeting probes

El Aissi, Radhia,Liu, Jianrong,Besse, Sophie,Canitrot, Damien,Chavignon, Olivier,Chezal, Jean-Michel,Miot-Noirault, Elisabeth,Moreau, Emmanuel

supporting information, p. 468 - 473 (2014/06/09)

The aim of this study was the synthesis and pharmacokinetic selection of a best melanin-targeting ligand for addressing anticancer agents to pigmented melanoma. Seven quinoxaline carboxamide derivatives were synthesized and radiolabeled with iodine-125. Biodistribution studies of compounds [ 125I]1a-g performed in melanoma-bearing mice tumor showed significant tumor uptake (range 2.43-5.68%ID/g) within 1 h after i.v. injection. Fast clearance of the radioactivity from the nontarget organs mainly via the urinary system gave high tumor-to-blood and tumor-to-muscle ratios. Given its favorable clearance and high tumor-melanoma uptake at 72 h, amide 1d was the most promising melanoma-targeting ligand in this series. Compound 1d will be used as building block for the design of new melanoma-selective drug delivery systems.

COMPOUNDS USEFUL IN THE TREATMENT OF INFLAMMATORY DISEASES

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Page 25, (2010/02/08)

There are provided according to the invention, novel compounds of formula (I)wherein R, R, R, R, Rand Rare as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.

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