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59838-65-2

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59838-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59838-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,8,3 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 59838-65:
(7*5)+(6*9)+(5*8)+(4*3)+(3*8)+(2*6)+(1*5)=182
182 % 10 = 2
So 59838-65-2 is a valid CAS Registry Number.

59838-65-2Relevant articles and documents

An unorthodox metal-free synthesis of dihydro-6: H-quinoline-5-ones in ethanol/water using a non-nucleophilic base and their cytotoxic studies on human cancer cell line

Bhattacharyya, Bhaswati,Dhara, Kaliprasanna,Kundu, Arijit,Kundu, Rita,Majumder, Indira,Paul, Subhabrata

, p. 4898 - 4906 (2020/04/03)

A DBU-catalysed metal-free domino reaction strategy has been developed for the facile synthesis of dihydro-6H-quinoline-5-ones. This protocol employs a very expedient route to the synthesis of pyridine frameworks using β-chloro-α,β-unsaturated aldehydes, 1,3-diketones, and ammonium acetate in ethanol : water (1 : 1) solvent under eco-friendly conditions. Diverse types of acyclic and cyclic β-chloro-α,β-unsaturated aldehydes were used to obtain a variety of dihydro-6H-quinoline-5-ones. The mechanism of the domino reaction was established by isolating the intermediate compound, which was subjected to the next step of the reaction to obtain the target product. The structure of the intermediate was established from spectral and single crystal XRD studies. Most of the synthesized dihydro-6H-quinoline-5-one derivatives were found to be cytotoxic to the HeLa cell lines, showing profound cytotoxicity in MTT assays. The DNA fragmentation assay showed no fragmented DNA in the treated sets, which indicated that the compounds did not induce apoptosis of the HeLa cells. In most of the cases, autophagic cell death was evident from fluorescence microscopy studies, though necrosis was also observed in some cases.

Pd-catalyzed site selective C-H acetoxylation of aryl/heteroaryl/thiophenyl tethered dihydroquinolinones

Patpi, Santhosh Reddy,Sridhar, Balasubramanian,Tadikamalla, Prabhakar Rao,Kantevari, Srinivas

, p. 10251 - 10261 (2013/09/02)

Described herein is an efficient protocol for the site selective oxidative C-H activation/acetoxylation of a series of 2-aryl/heteroaryl/thiophenyl tethered dihydroquinolinones using palladium acetate as the catalyst and iodobenzene diacetate as an oxidan

Non-steroidal antiinflammatory agents. III. Substituted azatetraline- and azaindane carboxylic acids: antiphlogistic activity

Schroeder,Lehmann,Boettcher

, p. 309 - 315 (2007/10/04)

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