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2-Thiophenecarboxylic acid

CAS 527-72-0

Companies reported imports and no US production of this chemical to EPA for 2019.

Molecular structure of 527-72-0
US productionZero
Import value, 2024$6.4B
Import volume312.6K lb
Import dependency100%
Top sourceSingapore 36%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

2-Thiophenecarboxylic acid · US import value by year
$4.8B2013$9.8B2022$6.4B2024$9.2B2025

2013: $4.8B · Peak 2022: $9.8B · 2024: $6.4B · 2025: $9.2B

Where It Comes From

Customs basis: HS 293499 · basket

EPA reports by year
2019
US production Zero · Imports 312.6K lb

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
EPA-registered importers (1)
Vandemark Chemical

Why It Matters

Sectors
Agriculture
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.04/gA2B Chem LLC
CountryUnited States
Pack$19.00 / 500 g
Purity98%
Vendors35 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

34 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.05500 g98%
BLD Pharmatech GmbHGermany$0.051 kg98%
BLD Pharmatech Ltd.China$0.051 kg98%
Aaron Chemicals LLCHong Kong$0.05500 g98%
ChemsceneUnited States$0.051 kg—
Angene ChemicalChina → Hong Kong$0.06500 g98%
SynthonixUnited States$0.06500 g95%
BLD Pharmatech Co., LimitedUnited States$0.111 kg98%
Ambeed, Inc.United States$0.111 kg98%
Fluorochem EUGermany$0.12100 g98%
Apollo Scientific UKUnited Kingdom$0.121 kg98%
AK Scientific SpecializedUnited States$0.151 kg95%
Combi-Blocks, Inc.United States$0.251 kg98%
AK Scientific, Inc.United States$0.261 kg98%
Fluorochem UKUnited Kingdom$0.3425 g98%
Angene International LimitedUnited States$0.34500 g98%
AstaTech, IncUnited States$0.40100 g95%
ALFA AESARGermany$0.57500 g99%
Sigma-Aldrich (Rush Stock)Germany$0.73100 g99%
Sigma-AldrichGermany$0.73100 g99%
MedChemExpress MCESweden$0.87100 g99.94%
AldlabUnited States$0.9710 g95%
TargetMol ChemicalsChina → United States$65.001 g—
SpecsNetherlands$68.9710 g90%
HTS Biochemie InnovationenGermany$120.0010 g95%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$460.00250 mg90%
Key Organics Ltd.United Kingdom$1034.00500 mg95%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%
Life Chemicals Inc.Ukraine → Canada$4500.0040 mg90%
AsinexNetherlands$6461.40100 mg90%
TimTec, LLCUnited States$9333.3330 mg99%

Chemical Identity

CAS527-72-0
PubChem CID10700
DTXSIDDTXSID2060177
FormulaC5H4O2S
Mol. Weight128.15 g/mol
SMILESC1=CSC(=C1)C(=O)O

Data Sources

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Brief citations

2-Thiophenecarboxylic acid (CAS 527-72-0) https://chemicalindependence.com/chemical/527-72-0/ EPA CompTox (DSSTox): DTXSID2060177. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2060177 PubChem: 10700. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/10700 EPA Chemical Data Reporting: 527-72-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 527-72-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 527-72-0. Reporting year: 2024. https://usatrade.census.gov/