Homogentisic acid gamma-lactone
尿黑酸-γ-内酯
Also known as: 2,5-Dihydroxyphenylacetic acid gamma-lactone, 2,5-Dihydroxyphenylacetic acid lactone, 5-Hydroxy-2(3H)-benzofuranone, 5-Hydroxy-2-coumaranone, 5-Hydroxybenzofuran-2(3H)-one, 2,3-Dihydro-5-hydroxybenzofuran-2-one, Homogentisic lactone, Homogentisic acid lactone, Homogentisic acid γ-lactone, NSC 61996, 5-hydroxy-3H-1-benzofuran-2-one
Homogentisic acid gamma-lactone (CAS 2688-48-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O3 and a molecular weight of 150.13100 g/mol. It is also known as 2,5-Dihydroxyphenylacetic acid gamma-lactone, 2,5-Dihydroxyphenylacetic acid lactone and 5-Hydroxy-2(3H)-benzofuranone. Key properties include a melting point of 192-194 °C and a density of 1.436. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2688-48-4
- Jingsj CID
- J-33845-3
- Molecular Formula
- C8H6O3
- Chinese Name
- 尿黑酸-γ-内酯
- Molecular Weight
- 150.13100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 192-194 °C |
|---|---|
| Density | 1.436 |
| Exact Mass | 150.03200 |
| PSA | 46.53000 |
| LogP | 0.85370 |
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 Homogentisic acid gamma-lactone?
The CAS number of Homogentisic acid gamma-lactone is 2688-48-4.
What are the molecular formula and molecular weight of Homogentisic acid gamma-lactone?
Homogentisic acid gamma-lactone has molecular formula C8H6O3 and molecular weight 150.13100 g/mol.
What are the upstream and downstream products of Homogentisic acid gamma-lactone?
For Homogentisic acid gamma-lactone, Upstream Products: 2'-Hydroxy-5'-methoxyacetophenone, (2,5-Dimethoxyphenyl)acetic acid, Glyoxylic acid; Downstream Products: Homogentisic acid, 5-Hydroxyindole.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Homogentisic acid gamma-lactone (CAS 2688-48-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33845-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.