Tetrahydropalmatine
Also known as: Tetrahydropalmatine, dl-Canadine, Rotundine, Canadine dl-form, 2,3,9,10-Tetramethoxy-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline
Tetrahydropalmatine (CAS 2934-97-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H25NO4 and a molecular weight of 355.427 g/mol. Key properties include a melting point of 155℃, a boiling point of 482.9±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 138.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2934-97-6
- Jingsj CID
- J-1990260-4
- Molecular Formula
- C21H25NO4
- Molecular Weight
- 355.427 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155℃ |
|---|---|
| Boiling Point | 482.9±45.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 138.7±25.9 °C |
| Exact Mass | 355.178345 |
| PSA | 40.16000 |
| LogP | 3.70 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.609 |
Activity & Biological Data
| Target | Dopamine[1] |
|---|---|
| Additional Information | [1]. Chang CK, et al. DL-Tetrahydropalmatine may act through inhibition of amygdaloid release of dopamine to inhibit an epileptic attack in rats. Neurosci Lett. 2001 Jul 20;307(3):163-6. |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Tetrahydropalmatine?
The CAS number of Tetrahydropalmatine is 2934-97-6.
What are the molecular formula and molecular weight of Tetrahydropalmatine?
Tetrahydropalmatine has molecular formula C21H25NO4 and molecular weight 355.427 g/mol.
What are the upstream and downstream products of Tetrahydropalmatine?
For Tetrahydropalmatine, Upstream Products: 3,4-Dimethoxyphenethylamine, 2,3-Dimethoxybenzaldehyde; Downstream Products: Rotundine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrahydropalmatine (CAS 2934-97-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990260-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.