5-Methyl-2-thiophenecarboxylic acid

Base Information

Chemical Name:5-Methyl-2-thiophenecarboxylic acid
CAS No.:1918-79-2
Molecular Formula:C6H6O2S
Molecular Weight:142.178
Hs Code.:29309090
European Community (EC) Number:217-640-3
NSC Number:89698
UNII:5SX6CX4FJB
DSSTox Substance ID:DTXSID60172712
Nikkaji Number:J124.111G
Wikidata:Q72491494
ChEMBL ID:CHEMBL4283897
Mol file:1918-79-2.mol

Synonyms:1918-79-2;5-METHYL-2-THIOPHENECARBOXYLIC ACID;5-Methylthiophene-2-carboxylic acid;2-Thiophenecarboxylic acid, 5-methyl-;2-Carboxy-5-methylthiophene;5-Methyl-2-thenoic Acid;2-Methyl-5-thiophenecarboxylic acid;MFCD00005439;5SX6CX4FJB;CHEMBL4283897;5-Methylthiophen-2-carboxylic acid;EINECS 217-640-3;5-Methyl-2-thiophene carboxylic acid;5-methyl-thiophene-2-carboxylic acid;NSC-89698;NSC89698;UNII-5SX6CX4FJB;5-methyl-2-thienoic acid;SCHEMBL77302;BIDD:GT0424;5-methyl-2-thiophenecarboxylic;DTXSID60172712;CHEBI:194847;5-Methylthiophene-2-carboxylicacid;5-methyl-2-thiophenecaboxylic acid;BCP05923;5-methyl-2-thiopene carboxylic acid;2-Methyl thiophen-5-carboxylic acid;5-Methyl-2-thiophenecaroboxylic acid;BBL037421;BDBM50467735;GEO-01959;NSC 89698;STK398300;5-methyl thiophene-2-carboxylic acid;5-methyl-2-thiophene carboxylic-acid;AKOS000118806;AB00425;AC-2516;BS-3805;CS-W004720;SY001770;5-Methyl-2-thiophenecarboxylic acid, 99%;AM20090123;FT-0601074;M1118;EN300-21259;F11216;5-Methyl-2-thiophenecarboxylic acid (keto form);AI-942/25034216;W-109000;F2191-0033;Z104494884

Suppliers and Price of 5-Methyl-2-thiophenecarboxylic acid

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

TRC
5-Methylthiophene-2-carboxylicAcid
500mg
$ 60.00

TCI Chemical
5-Methyl-2-thiophenecarboxylic Acid >98.0%(GC)(T)
5g
$ 42.00

SynQuest Laboratories
5-Methylthiophene-2-carboxylic acid 98%
1 g
$ 30.00

SynQuest Laboratories
5-Methylthiophene-2-carboxylic acid 98%
5 g
$ 69.00

Sigma-Aldrich
5-Methyl-2-thiophenecarboxylic acid 99%
25g
$ 150.00

Sigma-Aldrich
5-Methyl-2-thiophenecarboxylic acid 99%
5g
$ 55.00

Matrix Scientific
5-Methylthiophene-2-carboxylic acid 98%
100g
$ 92.00

Matrix Scientific
5-Methylthiophene-2-carboxylic acid 98%
25g
$ 24.00

Matrix Scientific
5-Methylthiophene-2-carboxylic acid 98%
5g
$ 10.00

Frontier Specialty Chemicals
5-Methyl-2-thiophenecarboxylic Acid 99%
5g
$ 62.00

Total 73 raw suppliers

Chemical Property of 5-Methyl-2-thiophenecarboxylic acid

Chemical Property:

Appearance/Colour:beige crystalline powder
Vapor Pressure:0.00258mmHg at 25°C
Melting Point:135-138 °C(lit.)
Refractive Index:1.5300 (estimate)
Boiling Point:274.7 °C at 760 mmHg
PKA:3.71±0.10(Predicted)
Flash Point:120 °C
PSA：65.54000
Density:1.319 g/cm³
LogP:1.75470
Storage Temp.:2-8°C(protect from light)
XLogP3:1.9
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:142.00885060
Heavy Atom Count:9
Complexity:124

Purity/Quality:

99% ^*data from raw suppliers

5-Methylthiophene-2-carboxylicAcid ^*data from reagent suppliers

Safty Information:

Pictogram(s): Xi
Hazard Codes:Xi
Statements: 36/37/38
Safety Statements: 22-24/25

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1=CC=C(S1)C(=O)O

Technology Process of 5-Methyl-2-thiophenecarboxylic acid

There total 24 articles about 5-Methyl-2-thiophenecarboxylic acid 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: 93.0%

: 1430823-64-5
(5-Methylthiophen-2-yl)glyoxal

: 1918-79-2
2-methylthiophene-5-carboxylic acid

Guidance literature:: With pyrrolidine; dihydrogen peroxide; In toluene; at 25 ℃; for 2h;
DOI:10.1002/ejoc.201600795

Reference yield: 92.0%

: C₉H₁₃O₅PS

: 1918-79-2
2-methylthiophene-5-carboxylic acid

Guidance literature:: With tert.-butylhydroperoxide; In toluene; at 20 ℃; for 4h;
DOI:10.1039/c5ob01615k

Reference yield: 90.0%

: 554-14-3
2-Methylthiophene

: 124-38-9,18923-20-1
carbon dioxide

: 1918-79-2
2-methylthiophene-5-carboxylic acid

Guidance literature:: With 2,6-Dibromopyridine; ethylaluminum dichloride; In hexane; toluene; at 60 ℃; for 3h; under 22502.3 Torr; Autoclave; Inert atmosphere;
DOI:10.1021/acs.orglett.6b00918