Molekula
Thiophene-3-acetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Thiophene-3-acetic acid is a heterocyclic organic compound used in pharmaceutical and agrochemical synthesis. It serves as an intermediate in the production of active ingredients and functional materials. Available with CAS number 6964-21-2, molecular formula C6H6O2S, and molecular weight 142.18 g/mol, it is stable at ambient storage conditions. This product is classified as Danger. Molekula supplies Thiophene-3-acetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Beige powder |
| Purity | ≥95% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90030386 |
| CAS Number | 6964-21-2 |
| IUPAC Name | 2-thiophen-3-ylacetic acid |
| EC Number | 230-166-1 |
| Molecular Formula | C6H6O2S |
| Molecular Weight | 142.18 |
| Exact Mass | 142.0089 |
| SMILES | C1=CSC=C1CC(=O)O |
| InChIKey | RCNOGGGBSSVMAS-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H6O2S/c7-6(8)3-5-1-2-9-4-5/h1-2,4H,3H2,(H,7,8) |
| PubChem CID | 23404 |
| UN Number | UN3261 |
| REACH Code | Y110 |
| HTS Code | 2934999001 |
| Tariff Code | 2934999090 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P234 Keep only in original container
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-(3-thienyl)acetic acid
- 2-(thiophen-3-yl)acetic acid
- 3-Thienylacetic acid
- 3-thiophenacetic acid
- 3-Thiopheneacetic acid
- 3-Thiopheneethanoic acid
- thiophen-3-ylacetic acid
Frequently asked questions
What is thiophene-3-acetic acid commonly used for?
Thiophene-3-acetic acid is primarily used as a building block in organic synthesis, particularly in the preparation of pharmaceuticals, agrochemicals, and specialty chemicals.
What is the chemical formula and molecular weight of thiophene-3-acetic acid?
The chemical formula is **C6H6O2S**, and the molecular weight is **142.18 g/mol**.
How should thiophene-3-acetic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What grades or purities of thiophene-3-acetic acid does Molekula supply?
Molekula supplies thiophene-3-acetic acid in **high-purity grades** (typically ≥98%), suitable for research and industrial applications.
Can Molekula supply thiophene-3-acetic acid in bulk quantities?
Yes, Molekula can provide thiophene-3-acetic acid in **bulk quantities** upon request, depending on availability and customer needs.
What documentation is provided with an order of thiophene-3-acetic acid?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.