3-Isothiazolecarboxylicacid,4-amino-(9CI)

Base Information

• Chemical Name: 3-Isothiazolecarboxylicacid,4-amino-(9CI)
• CAS No.: 462067-90-9
• Molecular Formula: C₄H₄N₂O₂S
• Molecular Weight: 144.154
• Hs Code.: 2934999090
• Mol file: 462067-90-9.mol

Synonyms:3-Isothiazolecarboxylicacid,4-amino-(9CI);4-AMINOISOTHIAZOLE-3-CARBOXYLIC ACID

Chemical Property of 3-Isothiazolecarboxylicacid,4-amino-(9CI)

Chemical Property:

• Vapor Pressure: 0.0433mmHg at 25°C
• Refractive Index: 1.707
• Boiling Point: 227.6°Cat760mmHg
• PKA: 1.82±0.10(Predicted)
• Flash Point: 91.5°C
• PSA: 104.45000
• Density: 1.657g/cm³
• LogP: 1.00470

Purity/Quality:

97% ^*data from raw suppliers

4-Aminoisothiazole-3-carboxylicacid 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-Isothiazolecarboxylicacid,4-amino-(9CI)

There total 2 articles about 3-Isothiazolecarboxylicacid,4-amino-(9CI) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 82.0%

3-ethyl 5-methyl 4-aminoisothiazole-3,5-dicarboxylate → 4-aminoisothiazole-3-carboxylic acid (462067-90-9)

Guidance literature:

With hydrogenchloride; In water; for 2h; Reflux;

Reference yield:

4-amino-3-carbamoylisothiazole-3-carboxylic acid ethyl ester (54968-74-0) → 4-aminoisothiazole-3-carboxylic acid (462067-90-9)

Guidance literature:

With hydrogenchloride; Heating;

Reference yield: 90.0%

methanol (67-56-1) + 4-aminoisothiazole-3-carboxylic acid (462067-90-9) → methyl 4-amino-1,2-thiazole-3-carboxylate (734492-43-4)

Guidance literature:

With thionyl chloride; at 20 ℃; for 20h;

upstream raw materials:

4-amino-3-carbamoylisothiazole-3-carboxylic acid ethyl ester

Downstream raw materials:

methyl 4-amino-1,2-thiazole-3-carboxylate

4-(2,6-dichloro-benzoylamino)-isothiazole-3-carboxylic acid

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