1256818-31-1 Usage
General Description
2,3-Dihydro-[1,4]dioxino[2,3-b]pyridine-7-carboxylic acid is a chemical compound with an intricate structure, involving multiple functional groups such as a carboxylic acid group and a pyridine. It is categorized as a heterocyclic compound with pyridine and dioxin sub-structures embedded within its structure. This chemical is part of the pyridines class of compounds, which contain a ring of five carbon atoms and one nitrogen atom. The detailed properties, uses or toxicity of this specific compound are not widely documented in the public domain, implying it may be used primarily in specialized research or industrial processes. The compound's full physical and chemical properties, potential applications, and safety considerations would depend on the precise context and would require further investigation.
Check Digit Verification of cas no
The CAS Registry Mumber 1256818-31-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,8,1 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1256818-31:
(9*1)+(8*2)+(7*5)+(6*6)+(5*8)+(4*1)+(3*8)+(2*3)+(1*1)=171
171 % 10 = 1
So 1256818-31-1 is a valid CAS Registry Number.
1256818-31-1Relevant articles and documents
Preparation method for 2,3-dihydro-1,4-dioxo[2,3-b]pyridine-7-carboxylic acid
-
Paragraph 0027-0031; 0035-0038, (2019/09/14)
The invention discloses a preparation method for 2,3-dihydro-1,4-dioxo[2,3-b]pyridine-7-carboxylic acid. The preparation method comprises the following steps: dissolving 7-bromo-2,3-dihydro[1,4]dioxino[2,3-b]pyridine into a solvent; adding a cyaniding reagent and reacting to obtain 2,3-dihydro[1,4]dioxino[2,3-b]pyridine-7-carbonitrile; and dissolving the prepared 2,3-dihydro[1,4]dioxino[2,3-b]pyridine-7-carbonitrile in an alkaline solution so as to obtain the 2,3-dihydro-1,4-dioxo[2,3-b]pyridine-7-carboxylic acid. According to the preparation method disclosed by the invention, the 2,3-dihydro-1,4-dioxo[2,3-b]pyridine-7-carboxylic acid is synthesized for the first time and a foundation is provided for preparation and application of pharmaceutical intermediates; the preparation method for the 2,3-dihydro-1,4-dioxo[2,3-b]pyridine-7-carboxylic acid, provided by the invention, has the advantages of short reaction steps, high yield and simplicity in operation and is suitable for large-scaleproduction.
