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1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

Also known as: DL-Praziquanamine, rac-Praziquanamine, praziquanamine, 2,3,6,7-Tetrahydro-1H-pyrazino[2,1-a]isoquinolin-4(11bH)-one

1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one (CAS 61196-37-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O and a molecular weight of 202.25200 g/mol. Key properties include a melting point of 116.8-118.4ºC and a density of 1.24±0.1 g/cm3 (20ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
61196-37-0
Jingsj CID
J-899773-7
Molecular Formula
C12H14N2O
Molecular Weight
202.25200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point116.8-118.4ºC
Density1.24±0.1 g/cm3 (20ºC 760 Torr)
Exact Mass202.11100
PSA32.34000
LogP0.98230

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one?

The CAS number of 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one is 61196-37-0.

What are the molecular formula and molecular weight of 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one?

1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one has molecular formula C12H14N2O and molecular weight 202.25200 g/mol.

What are the upstream and downstream products of 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one?

For 1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one, Upstream Products: Praziquantel, 2-chloro-N-phenethylacetamide, (2-Iodoethyl)benzene; Downstream Products: 2,3,4,6,7,11b-Hexahydro-1H-pyrazino[2,1-a]isoquinoline, Praziquantel.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one (CAS 61196-37-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-899773-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.