Impurity Reference Standard - Products

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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Praziquantel and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Praziquantel impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Praziquantel-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Praziquantel

CAT No: CL-PZQ-01 CAS No: 55268-74-1 Mol Wt: 312.4 Mol F: C19H24N2O2 Inv Status: Custom Synthesis

Chemical Name: 2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one ; (+/-)-Praziquantel ; Azinox ; Biltricide ; Cesol ; Cysticide ; Distocide ; Droncit ; Embay 8440 ; Prazinon ; Pyquiton ; Warmnil

(R)-Praziquantel

CAT No: CL-PZQ-02 CAS No: 57452-98-9 Mol Wt: 312.4 Mol F: C19H24N2O2 Inv Status: Custom Synthesis

Chemical Name: (11bR)-2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-Pyrazino[2,1-a]isoquinolin-4-one ; (R)-2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one ; (-)-Praziquantel ; (R)-(-)-Praziquantel ; l-Praziquantel

(S)-Praziquantel

CAT No: CL-PZQ-03 CAS No: 57452-97-8 Mol Wt: 312.4 Mol F: C19H24N2O2 Inv Status: Custom Synthesis

Chemical Name: (11bS)-2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one; (S)-2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one; (+)-Praziquantel; (S)-(+)-Praziquantel; (S)-Praziquantel; d-Praziquantel

Praziquantel EP Impurity A

CAT No: CL-PZQ-04 CAS No: 54761-87-4 Mol Wt: 306.4 Mol F: C19H18N2O2 Inv Status: In Stock

Chemical Name: (11bRS)-2-benzoyl-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

Praziquantel EP Impurity B

CAT No: CL-PZQ-05 CAS No: 125273-86-1 Mol Wt: 310.4 Mol F: C19H22N2O2 Inv Status: Custom Synthesis

Chemical Name: 2-(cyclohexylcarbonyl)-2,3,6,7-tetrahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

Praziquantel EP Impurity C

CAT No: CL-PZQ-06 CAS No: 125273-88-3 Mol Wt: 342.4 Mol F: C19H22N2O4 Inv Status: Custom Synthesis

Chemical Name: N-formyl-N-[2-oxo-2-(1-oxo-3,4-dihydroisoquinolin-2(1H)-yl)ethyl]cyclohexanecarboxamide

Praziquantel Impurity E

CAT No: CL-PZQ-07 CAS No: NA Mol Wt: 374.5 Mol F: C21H30N2O4 Inv Status: Custom Synthesis

Chemical Name: Ethyl N-(cyclohexanecarbonyl)-N-(2-oxo-2-(phenethylamino)ethyl)glycinate

Praziquantel Impurity G

CAT No: CL-PZQ-08 CAS No: 1983968-79-1 Mol Wt: 332.5 Mol F: C19H28N2O3 Inv Status: Custom Synthesis

Chemical Name: N-(2-hydroxyethyl)-N-(2-oxo-2-(phenethylamino)ethyl)cyclohexanecarboxamide

Praziquantel Impurity 1

CAT No: CL-PZQ-09 CAS No: 60743-58-0 Mol Wt: 328.4 Mol F: C19H24N2O3 Inv Status: Custom Synthesis

Chemical Name: 2-(4-hydroxycyclohexane-1-carbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

Praziquantel Impurity 2

CAT No: CL-PZQ-10 CAS No: 61196-37-0 Mol Wt: 202.3 Mol F: C12H14N2O Inv Status: Custom Synthesis

Chemical Name: 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one ; (?)-Praziquanamine ; DL-Praziquanamine

Praziquantel Impurity 3

CAT No: CL-PZQ-11 CAS No: 94494-35-6 Mol Wt: 312.4 Mol F: C19H24N2O2 Inv Status: Custom Synthesis

Chemical Name: 4-(cyclohexanecarbonyl)-1-phenethyl-3,4-dihydropyrazin-2(1H)-one

Praziquantel Oxide Impurity

CAT No: CL-PZQ-12 CAS No: 180342-63-6 Mol Wt: 328.4 Mol F: C19H24N2O3 Inv Status: Custom Synthesis

Chemical Name: 2-(cyclohexanecarbonyl)-11b-hydroxy-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

Praziquantel Impurity 4

CAT No: CL-PZQ-13 CAS No: 53182-00-6 Mol Wt: 231.3 Mol F: C15H21NO Inv Status: Custom Synthesis

Chemical Name: N-phenethylcyclohexanecarboxamide

Praziquantel Impurity 5

CAT No: CL-PZQ-14 CAS No: 2518438-08-7 Mol Wt: 363.5 Mol F: C22H25N3O2 Inv Status: Custom Synthesis

Chemical Name: 2-(4-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrazino[2,1-a]isoquinolin-2-yl)-N-phenethylacetamide

Type:Impurity Reference Standard

Total Products: 14

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