Molekula
(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic 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
(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid is a chiral organic intermediate with applications in pharmaceutical synthesis and chiral catalyst development. This compound is used in the preparation of APIs and asymmetric synthesis pathways. CAS 21461-84-7, molecular formula C5H6O4, molecular weight 130.10 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic 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.
-
1 g — $96.40 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 to yellow solid |
| Moisture | ≤0.5% |
| Assay GC | ≥97% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 64377162 |
| CAS Number | 21461-84-7 |
| IUPAC Name | (2S)-5-oxooxolane-2-carboxylic acid |
| Molecular Formula | C5H6O4 |
| Molecular Weight | 130.10 |
| Exact Mass | 130.0266 |
| SMILES | C1CC(=O)O[C@@H]1C(=O)O |
| InChIKey | QVADRSWDTZDDGR-VKHMYHEASA-N |
| InChI | InChI=1S/C5H6O4/c6-4-2-1-3(9-4)5(7)8/h3H,1-2H2,(H,7,8)/t3-/m0/s1 |
| PubChem CID | 636468 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2932.20.5050 |
| Tariff Code | 2932209090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously 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
- (2S)-5-oxooxolane-2-carboxylic acid
- (2S)-5-oxotetrahydrofuran-2-carboxylic acid
- (S)-(+)-5-Oxo-2-tetrahydrofurancarboxylic acid
- (S)-(+)-5-Oxo-2-tetrahydrofuroic Acid
- (S)-(+)-gamma-Carboxy-gamma-butyrolactone
- (S)-alpha-hydroxyglutaric acid-gamma-lactone
- (S)-tetrahydro-5-oxo-2-furancarboxylic acid
- (S)-tetrahydro-5-oxofuran-2-carboxylic acid
- 2-Furancarboxylic acid, tetrahydro-5-oxo-, (2S)-
Frequently asked questions
What is (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid commonly used for?
This compound is primarily used as a chiral building block in organic synthesis, particularly in the preparation of pharmaceutical intermediates and fine chemicals.
What is the chemical formula and molecular weight of (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid?
The chemical formula is **C₅H₆O₄**, and the molecular weight is **130.10 g/mol**.
How should (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What purity grades are available for this compound?
Molekula supplies this compound in **analytical standard (≥98% purity)** and **synthetic-grade (≥95% purity)**.
Can Molekula supply (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid in bulk quantities?
Yes, we offer bulk quantities upon request, subject to availability and minimum order quantities.
What documentation is provided with an order of this compound?
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.