4,5-Dimethylthiophene-2-carboxylicacid

Modify Date: 2026-08-14 21:42:34

4,5-Dimethylthiophene-2-carboxylicacid Structure
4,5-Dimethylthiophene-2-carboxylicacid structure
Common Name 4,5-Dimethylthiophene-2-carboxylicacid
CAS Number 40808-24-0 Molecular Weight 156.20200
Density 1.259 g/cm3 Boiling Point 290.6ºC at 760 mmHg
Molecular Formula C7H8O2S Melting Point 206-211°C
MSDS N/A Flash Point 129.5ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4,5-Dimethylthiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.259 g/cm3
Boiling Point 290.6ºC at 760 mmHg
Melting Point 206-211°C
Molecular Formula C7H8O2S
Molecular Weight 156.20200
Flash Point 129.5ºC
Exact Mass 156.02500
PSA 65.54000
LogP 2.06310
InChIKey RZCDKLUMNAKVFB-UHFFFAOYSA-N
SMILES Cc1cc(C(=O)O)sc1C
Storage condition 2-8°C

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi: Irritant;
Risk Phrases R36
Safety Phrases S26
HS Code 2934999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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4,5-Dimethylthiophene-2-carboxylicacid Structure

4,5-Dimethylthi...

CAS#:40808-24-0

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Literature: Sice Journal of Organic Chemistry, 1954 , vol. 19, p. 70,72

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4,5-Dimethylthiophene-2-carboxylicacid Structure

4,5-Dimethylthi...

CAS#:40808-24-0

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Literature: Lozac'h; Mollier Bulletin de la Societe Chimique de France, 1959 , p. 1389

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 4,5-Dimethylthiophene-2-carboxylicacidBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Primary cell-based high-throughput screening assay for identification of compounds th...
Source: Johns Hopkins Ion Channel Center
Target: regulator of G-protein signaling 4 isoform 2 [Homo sapiens]
External Id: JHICC_RGS_Act_HTS
Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: uHTS identification of small molecule activators of the adaptive arm of the Unfolded ...
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: BCCG-A405-UPR-XBP1-PrimaryAgonist-Assay
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: High throughput fluorescence intensity-based biochemical assay to screen for small mo...
Source: University of Pittsburgh Molecular Library Screening Center
Target: furin (paired basic amino acid cleaving enzyme), isoform CRA_a [Homo sapiens]
External Id: MH080376 Biochemical HTS for Inhibitors of the Proprotein Convertase Furin.
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Primary Screen Inhibitors of CD40 Signaling in BL2 Cells Measured in Cell-Based Syste...
Source: Broad Institute
Target: N/A
External Id: 7124-01_Inhibitor_SinglePoint_HTS_Activity
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00512748
4,5-dimethylthiophene-2-carboxylic acid

 4,5-Dimethylthiophene-2-carboxylicacid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 4,5-Dimethylthiophene-2-carboxylic acid?
A: InChIKey of 4,5-Dimethylthiophene-2-carboxylic acid is RZCDKLUMNAKVFB-UHFFFAOYSA-N.
Q: What is the boiling point of 4,5-Dimethylthiophene-2-carboxylic acid?
A: Boiling point of 4,5-Dimethylthiophene-2-carboxylic acid is 290.6ºC at 760 mmHg.
Q: What is the LogP of 4,5-Dimethylthiophene-2-carboxylic acid?
A: LogP of 4,5-Dimethylthiophene-2-carboxylic acid is 2.06310.
Q: What is the safety information for 4,5-Dimethylthiophene-2-carboxylic acid?
A: Safety information for 4,5-Dimethylthiophene-2-carboxylic acid: S26.
Q: What is the melting point of 4,5-Dimethylthiophene-2-carboxylic acid?
A: Melting point of 4,5-Dimethylthiophene-2-carboxylic acid is 206-211°C.
Q: What is the molecular formula of 4,5-Dimethylthiophene-2-carboxylic acid?
A: Molecular formula of 4,5-Dimethylthiophene-2-carboxylic acid is C7H8O2S.
Q: What is the polar surface area (PSA) of 4,5-Dimethylthiophene-2-carboxylic acid?
A: Polar surface area (PSA) of 4,5-Dimethylthiophene-2-carboxylic acid is 65.54000.
Q: What English synonyms does 4,5-Dimethylthiophene-2-carboxylic acid have?
A: English synonyms of 4,5-Dimethylthiophene-2-carboxylic acid: MFCD00512748, 4,5-dimethylthiophene-2-carboxylic acid.
Q: What is the CAS number of 4,5-Dimethylthiophene-2-carboxylic acid?
A: CAS number of 4,5-Dimethylthiophene-2-carboxylic acid is 40808-24-0.
Q: What is the SMILES notation of 4,5-Dimethylthiophene-2-carboxylic acid?
A: SMILES notation of 4,5-Dimethylthiophene-2-carboxylic acid is Cc1cc(C(=O)O)sc1C.

 4,5-Dimethylthiophene-2-carboxylicacidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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