Piperazine,1-(1-oxidobenzo[b]thien-4-yl)-

1-(1-氧代苯并[b]噻吩-4-基)哌嗪

Also known as: 2-Oxo-1,2-dihydro-7-quinolinylacetate, 4-(piperazin-1-yl)benzo[b]thiophene 1-oxide? (Brexpiprazole Impurity）, Brexpiprazole Dimer Impurity 41, Brexpiprazole Impurity 79, Brexpiprazole imA, Brexpiprazole-imB, Piperazine, 1-(1-oxidobenzo[b]thien-4-yl)-

Piperazine,1-(1-oxidobenzo[b]thien-4-yl)- (CAS 1191900-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N2OS and a molecular weight of 234.32 g/mol. It is also known as 2-Oxo-1,2-dihydro-7-quinolinylacetate, 4-(piperazin-1-yl)benzo[b]thiophene 1-oxide? (Brexpiprazole Impurity） and Brexpiprazole Dimer Impurity 41. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1191900-73-8
Jingsj CID: J-423768-0
Molecular Formula: C₁₂H₁₄N₂OS
Chinese Name: 1-(1-氧代苯并[b]噻吩-4-基)哌嗪
Molecular Weight: 234.32 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Piperazine,1-(1-oxidobenzo[b]thien-4-yl)-?

The CAS number of Piperazine,1-(1-oxidobenzo[b]thien-4-yl)- is 1191900-73-8.

What are the molecular formula and molecular weight of Piperazine,1-(1-oxidobenzo[b]thien-4-yl)-?

Piperazine,1-(1-oxidobenzo[b]thien-4-yl)- has molecular formula C12H14N2OS and molecular weight 234.32 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Piperazine,1-(1-oxidobenzo[b]thien-4-yl)- (CAS 1191900-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-423768-0 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.