Praziquantel
Also known as: 2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one, 2-Cyclohexanecarbonyl-1,3,4,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one, Biltricide, Cesol, Cysticide, Distocide, Droncit, Embay 8440, Pyquiton, Prazinon, Warmnil
Praziquantel (CAS 55268-74-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H24N2O2 and a molecular weight of 312.406 g/mol. Key properties include a melting point of 136-142ºC, a boiling point of 544.1±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 254.6±22.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55268-74-1
- Jingsj CID
- J-8260-0
- Molecular Formula
- C19H24N2O2
- Molecular Weight
- 312.406 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 136-142ºC |
|---|---|
| Boiling Point | 544.1±50.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 254.6±22.5 °C |
| Exact Mass | 312.183777 |
| PSA | 40.62000 |
| LogP | 2.44 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.615 |
| Additional Property | ethanol: soluble5mg/mL | Freely soluble in ethanol or dichloromethane. Slightly soluble in water |
Activity & Biological Data
| Additional Information | [1]. Coeli, R., et al., Praziquantel treatment decreases Schistosoma mansoni genetic diversity in experimental infections. PLoS Negl Trop Dis, 2013. 7(12): p. e2596. [2]. Mekonnen, A., et al., Efficacy of Praziquantel against Schistosoma haematobium in Dulshatalo village, western Ethiopia. BMC Res Notes, 2013. 6: p. 392. |
|---|
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Praziquantel?
The CAS number of Praziquantel is 55268-74-1.
What are the molecular formula and molecular weight of Praziquantel?
Praziquantel has molecular formula C19H24N2O2 and molecular weight 312.406 g/mol.
What are the upstream and downstream products of Praziquantel?
For Praziquantel, Upstream Products: Chloroacetyl chloride, Cyclohexanecarboxylic acid chloride, 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one; Downstream Products: 2,3,4,6,7,11b-Hexahydro-1H-pyrazino[2,1-a]isoquinoline, 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Praziquantel (CAS 55268-74-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8260-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.