vilazodone hydrochloride

Drug ingredient

CAS 163521-08-2

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 163521-08-2
1 HCl
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
20 FDA-registered drug labelers
Accord Healthcare Inc.
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
Alivus Life Sciences Limited
Allergan, Inc.
Apotex Corp
AvKARE
Cipla USA Inc.
Dr.Reddy's Laboratories Limited
Exelan Pharmaceuticals Inc.
Golden State Medical Supply, Inc.
Jubilant Pharmova Limited
MSN Pharmachem Private Limited
Northstar Rx LLC
Novadoz Pharmaceuticals LLC
Preferred Pharmaceuticals Inc.
Proficient Rx LP
ScinoPharm Taiwan Ltd.
Teva Pharmaceuticals, Inc.
Viyash Life Sciences Private Limited

Why It Matters

Sectors
Health
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •vilazodone hydrochloride
  • •Vilazodone
  • •Viibryd
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$35.00/gAK Scientific Specialized
CountryUnited States
Pack$350.00 / 10 g
Purity95%
Vendors17 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS163521-08-2
PubChem CID6918313
DTXSIDDTXSID80936833
FormulaC26H28ClN5O2
Mol. Weight478 g/mol
SMILESC1CN(CCN1CCCCC2=CNC3=C2C=C(C=C3)C#N)C4=CC5=C(C=C4)OC(=C5)C(=O)N.Cl

Data Sources

Brief citations

vilazodone hydrochloride (CAS 163521-08-2) https://chemicalindependence.com/chemical/163521-08-2/ PubChem: 6918313. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6918313 FDA National Drug Code directory: CAS 163521-08-2. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293499 for CAS 163521-08-2. Reporting year: 2024. https://usatrade.census.gov/