(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid
Also known as: (2S)-5-Oxotetrahydro-2-furancarboxylic acid, (S)-(+)-5-Oxo-2-tetrahydrofurancarboxylic acid, (S)-(+)-5-Oxo-2-tetrahydrofuroic Acid, (S)-(+)-γ-Carboxy-γ-butyrolactone, (S)-5-Oxotetrahydrofuran-2-carboxylic acid, (S)-Tetrahydro-5-oxo-2-furancarboxylic acid, 5-Oxotetrahydrofuran-2-carboxylic acid, MFCD00064516
(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid (CAS 21461-84-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6O4 and a molecular weight of 130.099 g/mol. Key properties include a melting point of 71-73 °C(lit.), a boiling point of 384.2±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 184.6±20.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21461-84-7
- Jingsj CID
- J-27708-7
- Molecular Formula
- C5H6O4
- Molecular Weight
- 130.099 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 71-73 °C(lit.) |
|---|---|
| Boiling Point | 384.2±0.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 184.6±20.3 °C |
| Exact Mass | 130.026611 |
| PSA | 63.60000 |
| LogP | -1.40 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.506 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932190090 |
|---|---|
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid?
The CAS number of (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid is 21461-84-7.
What are the molecular formula and molecular weight of (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid?
(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid has molecular formula C5H6O4 and molecular weight 130.099 g/mol.
Is (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid hazardous?
(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid?
For (S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid, Upstream Products: L-Glutamic acid, methyl (2S)-5-oxooxolane-2-carboxylate, D(-)-Glutamic acid; Downstream Products: (5S)-5-(Hydroxymethyl)dihydro-2(3H)-furanone, 3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]propan-1-ol, methyl (2S)-5-oxooxolane-2-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic acid (CAS 21461-84-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27708-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.