4-Methylthiophene-2-carboxamide

Base Information

• Chemical Name: 4-Methylthiophene-2-carboxamide
• CAS No.: 83933-16-8
• Molecular Formula: C₆H₇NOS
• Molecular Weight: 141.194
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID00383749
• Wikidata: Q82175542
• Mol file: 83933-16-8.mol

Synonyms:4-methylthiophene-2-carboxamide;83933-16-8;4-methyl-2-thiophenecarboxamide;4-Methyl-thiophene-2-carboxamide;4-methyl-thiophene-2-carboxylic acid amide;SCHEMBL279422;DTXSID00383749;CHEBI:194855;MFCD06657971;AKOS006344720;SB66897;FT-0764630;A840687;J-515835

Chemical Property of 4-Methylthiophene-2-carboxamide

Chemical Property:

• Vapor Pressure: 0.00973mmHg at 25°C
• Melting Point: 115-117
• Boiling Point: 264.4°C at 760 mmHg
• Flash Point: 113.7°C
• PSA: 71.33000
• Density: 1.239g/cm³
• LogP: 1.85570
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature
• XLogP3: 1.2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 141.02483502
• Heavy Atom Count: 9
• Complexity: 126

Purity/Quality:

97% ^*data from raw suppliers

4-Methylthiophene-2-carboxamide 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CSC(=C1)C(=O)N

Technology Process of 4-Methylthiophene-2-carboxamide

There total 2 articles about 4-Methylthiophene-2-carboxamide 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:

4-methyl-thiophene-2-carboxylic acid chloride (32990-47-9) → 4-methylthiophen-2-carboxamide (83933-16-8)

Guidance literature:

With ammonia; In diethyl ether; at -10 ℃;

Reference yield:

4-methylthiophene-2-carboxylic acid (14282-78-1,168902-34-9) → 4-methylthiophen-2-carboxamide (83933-16-8)

Guidance literature:

Multi-step reaction with 2 steps

1: oxalyl dichloride / N,N-dimethyl-formamide / dichloromethane / 1 h / 0 - 20 °C

2: ammonia / water; ethyl acetate / 2 h / 20 °C

With oxalyl dichloride; ammonia; N,N-dimethyl-formamide; In dichloromethane; water; ethyl acetate;

upstream raw materials:

4-methyl-thiophene-2-carboxylic acid chloride

4-methylthiophene-2-carboxylic acid

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