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144366-39-2

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144366-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144366-39-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,6 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 144366-39:
(8*1)+(7*4)+(6*4)+(5*3)+(4*6)+(3*6)+(2*3)+(1*9)=132
132 % 10 = 2
So 144366-39-2 is a valid CAS Registry Number.

144366-39-2Relevant articles and documents

Preparation and study of chemical transformations of N-formyl-N-phenylhydroxylamines

Guilbaud-Criqui, A.,Moinet, C.

, p. 164 - 172 (2007/10/02)

Nitrosobenzenes with CO2H 1b, CO2CH3 3b and CON(CH3)C6H5 4b ortho-substituents were obtained in a "redox" cell from the corresponding nitro compounds.In order to prepare the 3-oxo-1,2-dihydro-2,1-benzisoxazole-1-carbaldehyde from o-substituted N-formyl-N-phenylhydroxylamines, nitroso derivatives were formylated by glyoxylic acid.The N-formylbenzisoxazolone is unstable in the reaction medium and cannot be isolated.In addition to our study, we showed the unstability of N-formyl-N-phenylhydroxylamines and N-formylanilines in the presence of methanol without acetic acid; in an aqueous methanolic medium, formylation of nitrosoderivatives is equivalent to a reduction of the nitroso group.The mechanism was demonstrated by formylation of the nitrosobenzene and the electrogenerated 2-nitrosobenzene acetic acid 2b.Key Words: flow cell electrosynthesis / nitrosobenzenes / glyoxylic acid / formylation / N-formyl-N-phenylhydroxylamines / N-formylanilines / benzisoxazolones

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