Levodopa
Also known as: L-DOPA, 3-Hydroxy-L-tyrosine, L-3,4-Dihydroxyphenylalanine, 3,4-Dihydroxy-L-phenylalanine, (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid, Beldopa, Bendopa, Dopar, Doparl, Doprin, Ledopa, Levopa, Parda, (-)-dopa, (−)-dopa
Levodopa (CAS 59-92-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H11NO4 and a molecular weight of 197.188 g/mol. Key properties include a melting point of 276-278 °C(lit.), a boiling point of 448.4±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 225.0±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 59-92-7
- Jingsj CID
- J-1001848-1
- Molecular Formula
- C9H11NO4
- Molecular Weight
- 197.188 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 276-278 °C(lit.) |
|---|---|
| Boiling Point | 448.4±45.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 225.0±28.7 °C |
| Exact Mass | 197.068802 |
| PSA | 103.78000 |
| LogP | -0.22 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.655 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Hyland K, et al. Aromatic L-amino acid decarboxylase deficiency: diagnostic methodology. Clin Chem. 1992 Dec;38(12):2405-10. [2]. Merims D, et al. Dopamine dysregulation syndrome, addiction and behavioral changes in Parkinson's disease. Parkinsonism Relat Disord. 2008;14(4):273-80. Epub 2007 Nov 7. |
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Levodopa?
The CAS number of Levodopa is 59-92-7.
What are the molecular formula and molecular weight of Levodopa?
Levodopa has molecular formula C9H11NO4 and molecular weight 197.188 g/mol.
Is Levodopa hazardous?
Levodopa has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Levodopa?
For Levodopa, Upstream Products: L-Tyrosine, DL-3-(3,4-Dihydroxyphenyl)alanine, N-Acetyl-L-tyrosine ethyl ester; Downstream Products: 3,4-Dimethoxy-L-phenylalanine, 5,6-Dihydroxyindole, 5,6-dihydroxy-1H-indole-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Levodopa (CAS 59-92-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001848-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.