2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one

Also known as: WQ 1, 2-(1-Benzyl-4-piperidinyl)-2,3-dihydro-4H-thiochromen-4-one, 2-(1-Benzylpiperidin-4-yl)thiochroman-4-one, 4H-1-Benzothiopyran-4-one, 2,3-dihydro-2-[1-(phenylmethyl)-4-piperidinyl]-, Sigma receptor antagonist-1, σ1 Receptor antagonist-1

2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one (CAS 1204401-49-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H23NOS and a molecular weight of 337.47800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1204401-49-9
Jingsj CID: J-1955484-8
Molecular Formula: C₂₁H₂₃NOS
Molecular Weight: 337.47800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	337.15000
PSA	45.61000
LogP	4.58380

Activity & Biological Data

Additional Information	[1]. Piergentili A, et al. Novel highly potent and selective sigma 1 receptor antagonists related to spipethiane. J Med Chem. 2010;53(3):1261-1269.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one?

The CAS number of 2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one is 1204401-49-9.

What are the molecular formula and molecular weight of 2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one?

2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one has molecular formula C21H23NOS and molecular weight 337.47800 g/mol.

What are the upstream and downstream products of 2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one?

For 2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one, Upstream Products: 1-Benzylpiperidine-4-carbaldehyde, 2'-Mercaptoacetophenone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(1-Benzylpiperidin-4-yl)-2,3-dihydro-4H-thiochromen-4-one (CAS 1204401-49-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955484-8 (accessed 2026-11-09).

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