alpha-Angelica lactone
Also known as: 5-Methyl-2(3H)-furanone, 4-Hydroxy-3-pentenoic acid gamma-lactone, 5-Methylfuran-2(3H)-one, 3-Penten-4-olide, 4-Hydroxy-3-pentenoic acid lactone, delta2-Angelica lactone, gamma-Methyl-beta,gamma-crotonolactone, alpha-Angelic lactone, 5-methyl-3H-furan-2-one, 2(3H)-Furanone, 5-methyl-, 4-Hydroxy-3-pentenoic acid gamma-lactone
alpha-Angelica lactone (CAS 591-12-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.100 g/mol. Key properties include a melting point of 13-17 °C(lit.), a boiling point of 249.4±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 68.3±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 591-12-8
- Jingsj CID
- J-42424-6
- Molecular Formula
- C5H6O2
- Molecular Weight
- 98.100 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 13-17 °C(lit.) |
|---|---|
| Boiling Point | 249.4±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 68.3±0.0 °C |
| Exact Mass | 98.036781 |
| PSA | 26.30000 |
| LogP | 0.84 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.472 |
| Additional Property | 5 g/100 mL (25 ºC) |
Activity & Biological Data
| Target | Glutathione-S-thansferase (GST) detoxification enzyme[1][2] UDP-glucononosyltransferase (UGT) detoxification enzyme[2] |
|---|---|
| Additional Information | [1]. W A Nijhoff, et al. Quantification of Induction of Rat Oesophageal, Gastric and Pancreatic Glutathione and Glutathione S-transferases by Dietary Anticarcinogens. Carcinogenesis. 1994 Sep;15(9):1769-72. [2]. E M J van der Logt, et al. Induction of Rat Hepatic and Intestinal UDP-glucuronosyltransferases by Naturally Occurring Dietary Anticarcinogens. Carcinogenesis. 2003 Oct;24(10):1651-6. [3]. Lin Zhou, et al. Catalytic Asymmetric Vinylogous Mannich-type (AVM) Reaction of Nonactivated α-Angelica Lactone. Org Lett. 2011 Jun 17;13(12):3056-9. [4]. Jessica A Griswold, et al. Diastereoselective Organocatalytic Addition of α-Angelica Lactone to β-Halo-α-ketoesters. J Org Chem. 2017 Feb 17;82(4):2276-2280. |
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of alpha-Angelica lactone?
The CAS number of alpha-Angelica lactone is 591-12-8.
What are the molecular formula and molecular weight of alpha-Angelica lactone?
alpha-Angelica lactone has molecular formula C5H6O2 and molecular weight 98.100 g/mol.
What are the upstream and downstream products of alpha-Angelica lactone?
For alpha-Angelica lactone, Upstream Products: Levulinic acid, β-D-Glucose, gamma-Methylene-gamma-butyrolactone; Downstream Products: 5-Methoxy-2-methyl-3-indoleacetic acid, Indometacin, Methyl levulinate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "alpha-Angelica lactone (CAS 591-12-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42424-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.