Tetrabenazine

Drug ingredient

CAS 58-46-8

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

Molecular structure of 58-46-8
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
20 FDA-registered drug labelers
Agno Pharma Jiangsu
Ajanta Pharma USA Inc.
Apicore Pharmaceuticals Private Limited
Apotex Corp.
Bionpharma Inc.
Camber Pharmaceuticals, Inc.
Dr. Reddys Laboratories Inc
Enaltec Labs Private Limited
Golden State Medical Supply, Inc.
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
Hetero Drugs Limited
Inke SA
Lundbeck Pharmaceuticals LLC
MSN Life Sciences Private Limited
Oceanside Pharmaceuticals
Piramal Pharma Limited
Precision Dose Inc.
Rolabo Outsourcing S.L.
Slate Run Pharmaceuticals, LLC
SUN PHARMACEUTICAL INDUSTRIES, INC.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • •Tetrabenazine
  • •Xenazine
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$42.20/gCombi-Blocks, Inc.
CountryUnited States
Pack$1055.00 / 25 g
Purity97%
Vendors20 available

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

Chemical Identity

CAS58-46-8
PubChem CID6018
DTXSIDDTXSID0042614
FormulaC19H27NO3
Mol. Weight317.4 g/mol
SMILESCC(C)CC1CN2CCC3=CC(=C(C=C3C2CC1=O)OC)OC

Data Sources

Brief citations

Tetrabenazine (CAS 58-46-8) https://chemicalindependence.com/chemical/58-46-8/ PubChem: 6018. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6018 FDA National Drug Code directory: CAS 58-46-8. 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 293399 for CAS 58-46-8. Reporting year: 2024. https://usatrade.census.gov/