19666-03-6 Usage
General Description
Benzoic acid, 2-(1-oxobutyl)-, also known as 2-oxo-1-butoxybenzoic acid, is a chemical compound with the formula C11H12O3. It is a derivative of benzoic acid and is commonly used as a food preservative and flavoring agent. Benzoic acid, 2-(1-oxobutyl)- is also used in the production of pharmaceuticals, dyes, and plasticizers. It is a white crystalline solid that is soluble in organic solvents and has a slightly sweet odor. Benzoic acid, 2-(1-oxobutyl)- is regulated as a food additive and is generally recognized as safe for human consumption when used in accordance with good manufacturing practices.
Check Digit Verification of cas no
The CAS Registry Mumber 19666-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,6 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19666-03:
(7*1)+(6*9)+(5*6)+(4*6)+(3*6)+(2*0)+(1*3)=136
136 % 10 = 6
So 19666-03-6 is a valid CAS Registry Number.
19666-03-6Relevant articles and documents
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Ullyot et al.
, p. 429,434 (1945)
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Enantioselective Palladium(II)-Catalyzed Intramolecular Aminoarylation of Alkenes by Dual N?H and Aryl C?H Bond Cleavage
Zhang, Wen,Chen, Pinhong,Liu, Guosheng
supporting information, p. 5336 - 5340 (2017/04/27)
An asymmetric palladium-catalyzed intramolecular oxidative aminoarylation of alkenes has been developed with quinoline–oxazoline chiral ligands and Ag2CO3 as the oxidant. Various indolines containing a quaternary stereogenic center were synthesized in high yield with excellent enantioselectivity. Preliminary mechanistic studies suggest that the addition of a catalytic amount of phenylglyoxylic acid significantly accelerates the reaction and slightly enhances the enantioselectivity.
