20826-04-4 Usage
Description
5-Bromonicotinic acid, also known as 5-bromopyridine-3-carboxylic acid, is a light yellow crystalline compound derived from nicotinic acid. It is characterized by the presence of a bromine atom at the 5th position of the pyridine ring and a carboxyl group at the 3rd position. This organic compound is known for its chemical reactivity and potential applications in various fields.
Uses
Used in Pharmaceutical Industry:
5-Bromonicotinic acid is used as an intermediate in the synthesis of various pharmaceutical compounds. Its unique chemical structure allows it to be a key component in the development of new drugs with potential therapeutic applications.
Used in Chemical Synthesis:
In the field of organic chemistry, 5-bromonicotinic acid serves as a valuable building block for the synthesis of a wide range of chemical compounds. Its reactivity and functional groups make it a versatile starting material for the creation of various organic molecules.
Used in Research and Development:
5-Bromonicotinic acid is also utilized in research and development for the study of its chemical properties and potential applications. Its unique structure and reactivity make it an interesting subject for scientific investigation, which could lead to the discovery of new compounds and applications.
Synthesis Reference(s)
Journal of the American Chemical Society, 70, p. 2381, 1948 DOI: 10.1021/ja01187a020
Purification Methods
The acid is recrystallised from H2O and then from EtOH using charcoal. The amide has m 219-219.5o (from aqueous EtOH), and the methyl ester, prepared by addition of ethereal diazomethane, can be purified by sublimation in a vacuum and has m 98-99o. The acid chloride also can be sublimed in vacuo and has m 74-75o and gives the methyl ester in MeOH. [Graf J Prakt Chem 138 244 1933, Bachman & Micucci J Am Chem Soc 70 2381 1948, Garcia et al. J Am Chem Soc 82 4430 1960, Misic-Vokovic et al. J Chem Soc 34 1978, Beilstein 22/2 V 181.]
Check Digit Verification of cas no
The CAS Registry Mumber 20826-04-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,2 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20826-04:
(7*2)+(6*0)+(5*8)+(4*2)+(3*6)+(2*0)+(1*4)=84
84 % 10 = 4
So 20826-04-4 is a valid CAS Registry Number.
InChI:InChI=1/C6H4BrNO2/c7-5-1-4(6(9)10)2-8-3-5/h1-3H,(H,9,10)/p-1
20826-04-4Relevant articles and documents
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Gilman,Spatz
, p. 1485,1491 (1951)
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INHIBITORS OF MYOCARDIN-RELATED TRANSCRIPTION FACTOR AND SERUM RESPONSE FACTOR (MRTF/SRF)-MEDIATED GENE TRANSCRIPTION AND METHODS FOR USE OF THE SAME
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Paragraph 00198, (2016/06/01)
Disclosed herein are inhibitors of gene transcription mediated by myocardin-related transcription factor and serum response factor, or both myocardin-related transcription factor and serum response factor ("MRTF/SRF"), and methods for their use in treating or preventing cancer and fibrosis. In particular, disclosed herein are compounds of Formula (I) and Formula (II), and pharmaceutically acceptable salts thereof: wherein the substituents are as described.
AZOLECARBOXAMIDE HERBICIDES
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Page 45-46, (2010/02/06)
Compounds of Formula (I), and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation, wherein J is (J-1), (J-2,(J-3), (J-4), (J-5), (J-6), (J-7), (J-8) and R1a, R1b, R1c, R2a, R2b, R3, R4, R05, T, U, W, Y and Z are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (I) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula (I). Also disclosed are mixtures and compositions comprising a herbicidally effective amount of a compound of Formula (Iz) wherein J, R1a, R1b, R1c, R2a, R2b, R3, R4, R05, T, U, W, Y and Z are as defined in the disclosure; and an effective amount of another herbicide or herbicide safener. Also disclosed is a method for selectively controlling undesired vegetation in a crop that involves contacting the locus of a crop with an effective amount of a compound of Formula (Iz) and a effective amount of a safener.