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93-63-0

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93-63-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93-63-0 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 93-63:
(4*9)+(3*3)+(2*6)+(1*3)=60
60 % 10 = 0
So 93-63-0 is a valid CAS Registry Number.

93-63-0Relevant articles and documents

N-(2-hydroxyaryl)benzamide synthesis from 2-nitroaryl benzoates via an Indium-mediated reduction-migration reaction

Lee, Hyejeong,Kim, Minki,Jun, Young Moo,Kim, Byeong Hyo,Lee, Byung Min

experimental part, p. 158 - 167 (2011/10/08)

A one-pot reduction-triggered N-(2-hydroxyaryl)benzamide synthesis from 2-nitroaryl benzoate substrates was investigated. In the presence of indium/AcOH in THF/H2O, 2-nitroaryl benzoates produced reasonable yields of the benzo group migrated N-

Synthesis of 2-Arylbenzoxazoles via the Palladium-Catalyzed Carbonylation and Condensation of Aromatic Halides and o-Aminophenols

Perry, Robert J.,Wilson, B. David,Miller, Richard J.

, p. 2883 - 2887 (2007/10/02)

A new synthetic method is reported in which 2-arylbenzoxazoles can be prepared by palladium-catalyzed condensation of aryl halides with o-aminophenols followed by dehydrative cyclization.This method is tolerant of a wide variety of functional groups on either aromatic ring and gives good to excellent yields of products.An aliphatic vicinal amino alcohol gave a bis-acylated product as well as a chlorine-containing product with only a small amount of the desired 2-aryloxazole being formed.Methyl iodide and benzyl bromide gave only alkylated products.

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