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Praziquantel

2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one · CAS 55268-74-1

Veterinary USP / EP / Veterinary grade CoA per batchSDSMRL guidance note

The one anthelmintic that works on tapeworms, so it sits in almost every deworming combination. Bitter enough that palatability drives formulation, and the particle size drives the taste masking.

Part of the veterinary antiparasitic line. Most of these are formulated as drenches or premixes, so particle size is specified with the product.

Identity

Catalogue no.BP-VET-014
CAS number55268-74-1
Molecular formulaC19H24N2O2
Molecular weight312.41 g/mol
HS code2933.79
Synonyms2-(Cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one
Product lineVeterinary APIs
CategoryAntiparasitics

Release specification

Catalogue standard below. For a supply agreement we release against your dossier specification; send it with the enquiry and the CoA will be built around it.

ParameterSpecification
Assay98.0–102.0%
Related substancesAny unspecified impurity ≤ 0.20%; total impurities ≤ 0.50%
Water content≤ 0.5% (Karl Fischer)
Heavy metals≤ 20 ppm (ICP-MS)
Melting range136–140 °C
Residue on ignition≤ 0.10%

Application

Cestode and trematode treatment in companion animals and livestock; also human-use tablets.

Packaging, storage & logistics

Standard packaging25 kg fibre drum with double PE liner
Minimum order25 kg
Lead time20–30 days
Storage conditionsStore below 30 °C, protected from light
Shipping documentsInvoice, packing list, CoA, SDS, certificate of origin; DGM/IATA declaration where applicable

Pack sizes available — pick one to prefill the enquiry

Documentation provided

  • CoA per batchBatch-specific, tested against the specification agreed at PO stage
  • SDSCurrent GHS revision; destination-language version on request
  • MRL guidance noteMaximum residue limit and withdrawal-period reference for the destination market

Need the DMF open part, a sample CoA or an audit pack before you can qualify us? Ask on the enquiry form — we send those documents before any commercial discussion.

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