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52010-24-9

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52010-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52010-24-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,1 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 52010-24:
(7*5)+(6*2)+(5*0)+(4*1)+(3*0)+(2*2)+(1*4)=59
59 % 10 = 9
So 52010-24-9 is a valid CAS Registry Number.

52010-24-9Relevant articles and documents

Mild, efficient and selective nitration of anilides, non-activated and moderately activated aromatic compounds with ammonium molybdate and nitric acid as a new nitrating agent

Sana, Sariah,Rajanna,Ali, Mir Moazzam,Saiprakash

, p. 48 - 49 (2000)

Ammonium molybdate [Mo(VI)] is operationally simple, environmentally safe and inexpensive reagent. Regioselective nitration of anilides, non-activated and moderately activated aromatic compounds could be afforded by employing ammonium molybdate and nitric acid as mild and effective nitrating agent. This procedure works efficiently under reflux conditions to prepare mononitroderivatives of anilides, non-activated and moderately activated aromatic compounds in good to excellent yield with high regioselectivity.

Regioselective Synthesis of Trisubstituted Quinoxalines Mediated by Hypervalent Iodine Reagents

Ito, Ryota,Miura, Kasumi,Suzuki, Noriyuki,Suzuki, Yumiko,Takehara, Ren

, p. 16892 - 16900 (2021/12/06)

A facile and regioselective synthesis of quinoxalines, an important motif in medicinal chemistry and materials sciences, was developed. Despite their prospective utility, the regioselective preparation of trisubstituted quinoxalines has not been previously established. In the reported system, hypervalent iodine reagents catalyzed the annulation between α-iminoethanones ando-phenylenediamines in a chemo/regioselective manner to afford trisubstituted quinoxalines. Excellent regioselectivities (6:1 to 1:0) were achieved using [bis(trifluoroacetoxy)iodo]benzene and [bis(trifluoroacetoxy)iodo]pentafluorobenzene as annulation catalysts.

CuSO4-mediated decarboxylative C-N cross-coupling of aromatic carboxylic acids with amides and anilines

Sheng, Wei-Jian,Ye, Qing,Yu, Wu-Bin,Liu, Ren-Rong,Xu, Meng,Gao, Jian-Rong,Jia, Yi-Xia

supporting information, p. 599 - 601 (2015/02/19)

CuSO4-mediated decarboxylative C-N cross-coupling of aromatic carboxylic acid with amide has been developed, leading to N-arylamides in modest to excellent yields. Anilines bearing electron-withdrawing substituents could also couple efficiently

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