(R)-Praziquantel

About (R)-Praziquantel

(R)-Praziquantel is a high-purity reference standard of Praziquantel carrying the CAS registry number 57452-98-9. With the molecular formula C19H24N2O2, it has a molar mass of 312.4 g/mol. Its systematic (IUPAC) name is (11bR)-2-(cyclohexanecarbonyl)-3,6,7,11b-tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4-one. Alternative names: (-)-Praziquantel and L-praziquantel.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a reference sample of Praziquantel, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Praziquantel

View every impurity, metabolite and intermediate we list for Praziquantel.

Praziquantel impurities

Specifications & identifiers

Chemical identifiers
Product name	(R)-Praziquantel
Catalogue No.	VQ-033289
CAS Number	57452-98-9
IUPAC name	(11bR)-2-(cyclohexanecarbonyl)-3,6,7,11b-tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4-one
Molecular formula	C₁₉H₂₄N₂O₂
Molecular weight	312.4 g/mol
Exact mass	312.1838
Grade	Reference Standard
HSN code	38229090
InChIKey	FSVJFNAIGNNGKK-KRWDZBQOSA-N
SMILES	C1CCC(CC1)C(=O)N2C[C@H]3C4=CC=CC=C4CCN3C(=O)C2
PubChem CID	445900

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	0 / 2
TPSA	40.6 Å²
Synonyms	(-)-Praziquantel, L-praziquantel, Praziquantel, (-)-, Praziquantel, (R)-, L-PZQ, (11bR)-2-cyclohexanecarbonyl-1H,2H,3H,4H,6H,7H,11bH-piperazino(2,1-a)isoquinolin-4-one, (11bR)-2-cyclohexanecarbonyl-1H,2H,3H,4H,6H,7H,11bH-piperazino[2,1-a]isoquinolin-4-one, (11bR)-2-(cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one, (R)-2-(Cyclohexanecarbonyl)-2,3,6,7-tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4(11bH)-one, (-)-Pragiquantel, Praziquantel RS

Safety & hazard information (GHS)

Hazard statements

H412Harmful to aquatic life with long lasting effects

Precautionary statements: P273, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (R)-Praziquantel?

The CAS Registry Number of (R)-Praziquantel is 57452-98-9. It is also known as (-)-Praziquantel, L-praziquantel, Praziquantel, (-)-.

What is the molecular formula and molecular weight of (R)-Praziquantel?

(R)-Praziquantel has the molecular formula C19H24N2O2 and a molecular weight of 312.4 g/mol. Its IUPAC name is (11bR)-2-(cyclohexanecarbonyl)-3,6,7,11b-tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4-one.

What is (R)-Praziquantel used for?

(R)-Praziquantel is supplied as a characterised reference material related to Praziquantel. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of (R)-Praziquantel can I order?

We supply (R)-Praziquantel in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (R)-Praziquantel?

Yes. Every lot of (R)-Praziquantel is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (R)-Praziquantel be shipped internationally?

Yes. We export (R)-Praziquantel worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.