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57443-68-2

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57443-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57443-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,4 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57443-68:
(7*5)+(6*7)+(5*4)+(4*4)+(3*3)+(2*6)+(1*8)=142
142 % 10 = 2
So 57443-68-2 is a valid CAS Registry Number.

57443-68-2Relevant articles and documents

2-catalyzed directed N -Boc amidation of arenes "on water"

Ali, Md Ashif,Yao, Xiayin,Sun, Hao,Lu, Hongjian

supporting information, p. 1513 - 1516 (2015/03/30)

Rhodium(III) catalysis "on water" is effective for directed C-H amidation of arenes. The catalytic process is promoted by OH groups present on the hydrophobic water surface and is inefficient in all (most) common organic solvents investigated so far. In the presence of easily prepared tert-butyl 2,4-dinitrophenoxycarbamate, a new and stable nitrene source, the "on water" reaction can efficiently provide the desired N-Boc-aminated products with good functional group tolerance.

Facile diversity-oriented synthesis and antitubercular evaluation of novel aryl and heteroaryl tethered pyridines and dihydro-6H-quinolin-5-ones derived via variants of the Bohlmann-Rahtz reaction

Kantevari, Srinivas,Patpi, Santhosh Reddy,Addla, Dinesh,Putapatri, Siddamal Reddy,Sridhar, Balasubramanian,Yogeeswari, Perumal,Sriram, Dharmarajan

scheme or table, p. 427 - 435 (2011/09/14)

The diversity oriented synthesis of substituted pyridines and dihydro-6H-quinolin-5-ones tethered with aryls and heteroaryls was achieved in very good yields through CeCl3?7H2O-NaI catalyst via variants of the Bohlmann-Rahtz reaction

PIPERIDINE ARYL SULFONAMIDE DERIVATIVES AS KV1.3 MODULATORS

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Page/Page column 62-63, (2011/07/07)

Compounds of the formula (I) or pharmaceutically acceptable salts thereof, wherein m, R1, R2, R3, R4 and R5 are as defined herein. Also disclosed are methods of making the compounds and using the comp

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