Thalidomide

Drug ingredient

CAS 50-35-1

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

Molecular structure of 50-35-1
US productionNot reported
Import value, 2024$43M
Top sourceJapan 25%

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 292519 · basket

These shares come from HS customs code 292519, which covers 43 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 25%JapanCN 21%ChinaGB 21%United KingdomAT 14%AustriaDE 7%Germany
8 FDA-registered drug labelers
Celgene Chemicals Sarl
Celgene Corporation
Celgene International Sarl
Hetero Labs Limited
Micro-Macinazione SA
Olpha AS
Siegfried AG
VALARY LAB PRIVATE LIMITED

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Thalomid
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$2.40/gCombi-Blocks, Inc.
CountryUnited States
Pack$1200.00 / 500 g
Purity98%
Vendors33 available

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

Chemical Identity

CAS50-35-1
PubChem CID5426
DTXSIDDTXSID9022524
FormulaC13H10N2O4
Mol. Weight258.23 g/mol
SMILESC1CC(=O)NC(=O)C1N2C(=O)C3=CC=CC=C3C2=O

Data Sources

Brief citations

Thalidomide (CAS 50-35-1) https://chemicalindependence.com/chemical/50-35-1/ PubChem: 5426. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5426 FDA National Drug Code directory: CAS 50-35-1. 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 292519 for CAS 50-35-1. Reporting year: 2024. https://usatrade.census.gov/