Molekula
Thiophene-2-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-2-acetic acid is an organic compound containing a thiophene ring with acetic acid functionality, primarily used as a pharmaceutical intermediate, best known as the side-chain precursor for cephalosporin antibiotics such as cephalothin and cefoxitin. It is also employed in organic synthesis and pharmaceutical research. CAS 1918-77-0, molecular formula C6H6O2S, molecular weight 142.18 g/mol. Store at ambient conditions. Signal word: Danger. Molekula supplies Thiophene-2-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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — $58.70 per pack
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100 g — $136.10 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or light yellow to light brown crystalline powder |
| Assay/Purity | ≥ 97.5 |
| Melting Point | 61 - 65°C |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 20885118 |
| CAS Number | 1918-77-0 |
| IUPAC Name | 2-thiophen-2-ylacetic acid |
| EC Number | 217-639-8 |
| Molecular Formula | C6H6O2S |
| Molecular Weight | 142.18 |
| Exact Mass | 142.0089 |
| SMILES | C1=CSC(=C1)CC(=O)O |
| InChIKey | SMJRBWINMFUUDS-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H6O2S/c7-6(8)4-5-2-1-3-9-5/h1-3H,4H2,(H,7,8) |
| PubChem CID | 15970 |
| UN Number | UN3261 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.90.01 |
| Tariff Code | 2934999090 |
Safety & GHS
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Corrosive
GHS05
Hazard statements
- EUH071 Corrosive to the respiratory tract
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- 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
- P310 Immediately call a POISON CENTER or doctor/physician
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
- (Thien-2-yl)acetic acid
- 2-(2-thienyl)acetic acid
- 2-(thiophen-2-yl)acetic acid
- 2-THENYLACETIC ACID
- 2-Thienylacetic acid
- 2-Thiopheneacetic acid
- thienylacetic acid
- thienylactic acid
- thiophen-2-ylacetic acid
- Thiopheneacetic acid
Frequently asked questions
What is thiophene-2-acetic acid commonly used for?
Thiophene-2-acetic acid is primarily used as a precursor in organic synthesis, including the production of pharmaceuticals, agrochemicals, and specialty chemicals.
What is the chemical formula and molecular weight of thiophene-2-acetic acid?
The chemical formula is C6H6O2S, and the molecular weight is 142.18 g/mol.
How should thiophene-2-acetic acid be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances and moisture.
What purity grades are available for thiophene-2-acetic acid?
We supply thiophene-2-acetic acid in technical grade and high-purity (98%+) forms, depending on your application requirements.
Can Molekula supply thiophene-2-acetic acid in bulk quantities?
Yes, we offer bulk packaging options (e.g., drums, IBCs) for thiophene-2-acetic acid—contact us for specific volume inquiries.
What documentation is provided with a thiophene-2-acetic acid order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.